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<!-- DFIN New ActiveDisclosure (SM) XBRL Schema Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date :2024-07-30T16:22:17.2833+00:00 -->
<!-- Copyright (c) 2024 Donnelly Financial Solutions, Inc. All Rights Reserved. -->
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          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
          <link:loc xlink:type="locator" xlink:href="celu-20231231.xsd#celu_ScheduleOfPrepaidExpensesAndOtherCurrentAssetsTableTextBlock" xlink:label="celu_ScheduleOfPrepaidExpensesAndOtherCurrentAssetsTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="celu-20231231.xsd#celu_SummaryOfSignificantAccountingPoliciesLineItems" xlink:label="celu_SummaryOfSignificantAccountingPoliciesLineItems"/>
          <link:loc xlink:type="locator" xlink:href="celu-20231231.xsd#celu_ContractWithCustomerLiabilityIncreaseDecreaseForContractFromBusinessCombinationAndDeferredRevenue" xlink:label="celu_ContractWithCustomerLiabilityIncreaseDecreaseForContractFromBusinessCombinationAndDeferredRevenue"/>
          <link:loc xlink:type="locator" xlink:href="celu-20231231.xsd#celu_PultheraLlcMember" xlink:label="celu_PultheraLlcMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLossCarryforwards" xlink:label="us-gaap_OperatingLossCarryforwards"/>
          <link:loc xlink:type="locator" xlink:href="celu-20231231.xsd#celu_EffectiveIncomeTaxRateReconciliationMarkToMarketWarrant" xlink:label="celu_EffectiveIncomeTaxRateReconciliationMarkToMarketWarrant"/>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LineOfCreditIncreaseInInterestRateDuringPeriodInEventOfDefault_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Line of credit increase in interest rate during period in event of default.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LineOfCreditIncreaseInInterestRateDuringPeriodInEventOfDefault_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Increase in Interest Rate During Period in Event of Default</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LineOfCreditIncreaseInInterestRateDuringPeriodInEventOfDefault_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Line of credit increase in interest rate during period in event of default</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockholdersEquityDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stockholders&#8217; Equity (Details) [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockholdersEquityDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholders Equity Details [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockholdersEquityDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stockholders Equity Details [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RelatedPartyTransactionsDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Related Party Transactions (Details) [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RelatedPartyTransactionsDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions Details [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RelatedPartyTransactionsDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party Transactions Details [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorFirmId_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Auditor Firm ID</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorFirmId_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Auditor Firm ID</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RegeneronResearchCollaborationServicesAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Regeneron Research Collaboration Services Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RegeneronResearchCollaborationServicesAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Regeneron Research Collaboration Services Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RegeneronResearchCollaborationServicesAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Regeneron Research Collaboration Services Agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2024</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid, Year One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Collaborative Arrangement and Arrangement Other than Collaborative [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Collaborative Arrangement and Arrangement Other than Collaborative</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentTransitionReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Transition Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentTransitionReport_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Transition Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrenNewJerseyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Warren New Jersey.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrenNewJerseyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warren New Jersey [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrenNewJerseyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warren, New Jersey</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expected volatility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Expected volatility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Contract Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ProceedsFromRWISeniorSecuredBridgeLoanAndWarrantsRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from RWI senior secured bridge loan and warrants - related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ProceedsFromRWISeniorSecuredBridgeLoanAndWarrantsRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From R W I Senior Secured Bridge Loan and Warrants Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ProceedsFromRWISeniorSecuredBridgeLoanAndWarrantsRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds from RWI senior secured bridge loan and warrants related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MoneyMarketFundsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Money Market Funds [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MoneyMarketFundsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Money Market Funds</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueRecurringBasisUnobservableInputReconciliationLiabilityGainLossStatementOfOtherComprehensiveIncomeExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Liability, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfStockIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance cost of equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfStockIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments of Stock Issuance Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ProvisionForInventoryObsolescence_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Provision for inventory obsolescence</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ProvisionForInventoryObsolescence_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Provision for Inventory Obsolescence</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ProvisionForInventoryObsolescence_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Provision for inventory obsolescence.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminatedPeriodPercent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Restructuring and Related Cost, Number of Positions Eliminated, Period Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminatedPeriodPercent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of reduction in workforce</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_UltraMISTSystemsReclassFromInventoryToFixedAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">It represents of ultra MIST systems reclass from inventory to fixed assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_UltraMISTSystemsReclassFromInventoryToFixedAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ultra M I S T Systems Reclass From Inventory To Fixed Asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_UltraMISTSystemsReclassFromInventoryToFixedAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">UltraMIST systems reclass from inventory to fixed assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other permanent items</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StatementGeographicalAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Geographical [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StatementGeographicalAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Geographical</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SupplyAndDistributionAgreementRenewalTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Supply and distribution agreement renewal term.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SupplyAndDistributionAgreementRenewalTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supply And Distribution Agreement Renewal Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SupplyAndDistributionAgreementRenewalTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Supply and distribution agreement renewal term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Reconciliation of Contingent Consideration Obligations Measured on a Recurring Basis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Options vesting period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cost of Revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cost of revenues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Cost of Revenue, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InventoryWorkInProgressCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Inventory work in progress current and noncurrent.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InventoryWorkInProgressCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory Work In Progress Current And Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InventoryWorkInProgressCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Work in progress</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentInterestRateDuringPeriodInEventOfDefault_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest rate during period in event of default</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentInterestRateDuringPeriodInEventOfDefault_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Interest Rate During Period In Event Of Default</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentInterestRateDuringPeriodInEventOfDefault_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument, interest rate during period in event of default</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Liabilities, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Segment Reporting Information, by Segment [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Segment Reporting Information By Segment [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FlorhamParkNewJerseyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Florham Park New Jersey.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FlorhamParkNewJerseyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Florham Park New Jersey [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FlorhamParkNewJerseyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Florham Park, New Jersey</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_GovernmentGrantsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Government grants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_GovernmentGrantsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Government Grants Policy [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_GovernmentGrantsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Government Grants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Prepaid Expense and Other Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Prepaid expenses and other assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ShortTermBorrowingAmountEqualToExitFeePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Short term borrowing amount equal to exit fee percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ShortTermBorrowingAmountEqualToExitFeePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short Term Borrowing Amount Equal To Exit Fee Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ShortTermBorrowingAmountEqualToExitFeePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short term borrowings exit fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedStockUnitsRSUMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Restricted Stock Units (RSUs) [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedStockUnitsRSUMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted Stock Units</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2025</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year Two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SeriesBRedeemablesConvertiblePreferredStocksMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series B redeemable convertible preferred stock.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SeriesBRedeemablesConvertiblePreferredStocksMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series B Redeemables Convertible Preferred Stocks [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SeriesBRedeemablesConvertiblePreferredStocksMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series B Redeemable Convertible Preferred Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AwardsWithMarketConditionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Awards with market conditions.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AwardsWithMarketConditionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Awards With Market Conditions [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AwardsWithMarketConditionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Awards with Market Conditions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ValuationInputForConvertiblePromissoryNote_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Valuation input for a convertible promissory note.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ValuationInputForConvertiblePromissoryNote_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Input For Convertible Promissory Note</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ValuationInputForConvertiblePromissoryNote_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Valuation input for convertible note</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 1 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 1</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityPublicFloat_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Public Float</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityPublicFloat_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Public Float</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Other Operating Assets and Liabilities, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Other, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Increase (Decrease) in Other Operating Assets and Liabilities, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2027</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid, Year Four</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PaymentsForMasterSubscriptionAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payments for master subscription agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PaymentsForMasterSubscriptionAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments For Master Subscription Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PaymentsForMasterSubscriptionAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payments for master subscription agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NumberOfSharesIssuedForPiggybackRegistrationRights_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares issued for piggyback registration rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NumberOfSharesIssuedForPiggybackRegistrationRights_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Shares Issued For Piggyback Registration Rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NumberOfSharesIssuedForPiggybackRegistrationRights_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of shares issued for piggyback registration rights.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsOnClosingDatePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share-based compensation arrangement by share-based payment award, award vesting rights on closing date, percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsOnClosingDatePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Rights On Closing Date Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsOnClosingDatePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Vesting percentage on closing date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ContingentConsiderationObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contingent consideration obligation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ContingentConsiderationObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ContingentConsiderationObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ContingentConsiderationObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contingent Consideration Obligation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ContingentConsiderationObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Contingent consideration liability exceeding amount recognized Fair Value Measurements.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentInformationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Information [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentInformationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Information [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LessAccumulatedAmortizationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Less Accumulated Amortization Abstract</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LessAccumulatedAmortizationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Less Accumulated Amortization [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LessAccumulatedAmortizationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Less: Accumulated amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OperatingLeaseExpiryYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Operating lease expiry year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OperatingLeaseExpiryYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease Expiry Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OperatingLeaseExpiryYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating lease expiry year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Disclosures [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value of Financial Assets and Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquitySharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, Shares Authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquitySharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Redeemable convertible preferred stock, shares authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquitySharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Warrants to purchase redeemable convertible preferred stock, shares authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Useful Life</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property and Equipment, Estimated Useful Life</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue from Contract with Customer, Excluding Assessed Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total revenues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net revenues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiabilityChangeInTimeframePerformanceObligationSatisfiedRevenueRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contract with Customer, Liability, Change in Timeframe, Performance Obligation Satisfied, Revenue Recognized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiabilityChangeInTimeframePerformanceObligationSatisfiedRevenueRecognized_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Recognition of unearned revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainContingencyUnrecordedAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gain related to litigation settlement to be recognized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainContingencyUnrecordedAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain Contingency, Unrecorded Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CashAndNonCashActivityRelatedToLeaseLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Cash and Non-cash Activity Related to the Lease Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CashAndNonCashActivityRelatedToLeaseLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash And Non Cash Activity Related To Lease Liabilities Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CashAndNonCashActivityRelatedToLeaseLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cash and non-cash activity related to lease liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromShortTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Proceeds from Short-Term Debt, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromShortTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Short-Term Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromShortTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from short-term debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfNetDeferredTaxAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of net deferred tax assets [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfNetDeferredTaxAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Net Deferred Tax Assets [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubstantialDoubtAboutGoingConcernWithinOneYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Substantial Doubt about Going Concern, within One Year [true false]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubstantialDoubtAboutGoingConcernWithinOneYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Substantial doubt about going concern, within one year [true false]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total unrecognized expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Valuation allowance increased amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NumberOfBusinessSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of business segments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NumberOfBusinessSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Business Segments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NumberOfBusinessSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of business segments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disaggregation of Revenue [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Disaggregated Revenue by Product And Services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration Risk Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt, Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfFairValueOfTheLiabilityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Schedule of Fair Value of the Liability Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfFairValueOfTheLiabilityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Fair Value Of The Liability [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfFairValueOfTheLiabilityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of fair value of the liability.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockIssuedDuringPeriodSharesReclassificationOfPreviouslyExercisedStockOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Shares Reclassification Of Previously Exercised Stock Options</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockIssuedDuringPeriodSharesReclassificationOfPreviouslyExercisedStockOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock issued during period shares reclassification of previously exercised stock options.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockIssuedDuringPeriodSharesReclassificationOfPreviouslyExercisedStockOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reclassification of previously exercised stock options, in shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Intrinsic Value, Amount Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Vested options to acquire per share (in Dollars per share)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value, assets, transfers into level 3, amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MaximumPercentageOfCommonStockIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Maximum percentage of common stock issued.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MaximumPercentageOfCommonStockIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maximum Percentage of Common Stock Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MaximumPercentageOfCommonStockIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum percentage of common stock issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LaboratoryAndProductionEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Laboratory and production equipment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LaboratoryAndProductionEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Laboratory And Production Equipment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LaboratoryAndProductionEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Laboratory and Production Equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OperatingLeaseCommencementDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Operating lease commencement date.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OperatingLeaseCommencementDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease Commencement Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OperatingLeaseCommencementDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating lease commencement date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contract with Customer, Liability, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SoftwareCeaseUseCostsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Software cease-use Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SoftwareCeaseUseCostsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Software cease-use costs [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SoftwareCeaseUseCostsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Software cease-use costs.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReclassifiedFromWarrantLiabilityToAdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reclassified from warrant liability to additional paid-in capital.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReclassifiedFromWarrantLiabilityToAdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reclassified From Warrant Liability To Additional Paid In Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReclassifiedFromWarrantLiabilityToAdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reclassification of liability classified legacy warrants to equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReclassifiedFromWarrantLiabilityToAdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Equity classification of Legacy Celularity warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CompensationRelatedCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Compensation Related Costs, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CompensationRelatedCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock-Based Compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_TitleOfIndividualWithRelationshipToEntityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Title of Individual [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxUncertaintiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Uncertainties [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Events</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Nonoperating Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CedarKnollsNewJerseyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cedar Knolls New Jersey.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CedarKnollsNewJerseyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cedar Knolls New Jersey [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CedarKnollsNewJerseyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cedar Knolls, New Jersey</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquitySharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, Shares Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquitySharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Redeemable convertible preferred stock, shares issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OutstandingInvoiceMaountRefused_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Outstanding invoice maount refused</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OutstandingInvoiceMaountRefused_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Outstanding invoice maount refused.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InitialTrancheMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Initial tranche.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InitialTrancheMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Initial Tranche [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InitialTrancheMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Initial Tranche</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DenominatorWeightedAverageCommonStockSubjectToPossibleRedemptionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Denominator Weighted Average Common Stock Subject To Possible Redemption Abstract</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DenominatorWeightedAverageCommonStockSubjectToPossibleRedemptionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Denominator:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DenominatorWeightedAverageCommonStockSubjectToPossibleRedemptionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Denominator Weighted Average Common Stock Subject To Possible Redemption [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RelatedPartyBaseSalary_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Related party base salary.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RelatedPartyBaseSalary_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Base Salary</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RelatedPartyBaseSalary_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Base salary</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_Biovance3LMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Biovance 3L</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_Biovance3LMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Biovance 3L [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_Biovance3LMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Biovance 3L.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Liability, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Noncurrent lease liabilities - operating</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseAndDistributionAgreementsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">License and Distribution Agreements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseAndDistributionAgreementsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">License And Distribution Agreements [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseAndDistributionAgreementsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">License and Distribution Agreements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PaymentsOfAtTheMarketOfferingCostsAndCommissions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payments of at the market offering costs and commissions.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PaymentsOfAtTheMarketOfferingCostsAndCommissions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments Of At The Market Offering Costs And Commissions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PaymentsOfAtTheMarketOfferingCostsAndCommissions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payments of ATM offering costs and commissions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PaymentsOfAtTheMarketOfferingCostsAndCommissions_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Payments of ATM offering costs and commissions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PromissoryNotesReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">It represents of promissory notes receivable.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PromissoryNotesReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Promissory Notes Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PromissoryNotesReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Notes receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PercentageOfPaymentUponReceiptAndAcceptanceOfPurchaseOrder_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of payment upon receipt and acceptance of purchase order.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PercentageOfPaymentUponReceiptAndAcceptanceOfPurchaseOrder_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Payment Upon Receipt And Acceptance Of Purchase Order</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PercentageOfPaymentUponReceiptAndAcceptanceOfPurchaseOrder_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of payment upon receipt and acceptance of purchase order</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LegacyCelularitysMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Legacy Celularity.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LegacyCelularitysMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Legacy Celularitys [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LegacyCelularitysMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Legacy Celularity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FinancingObligationsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing obligations noncurrent.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FinancingObligationsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Obligations Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FinancingObligationsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing obligations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities, Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsFairValueDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Fair Value Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsFairValueDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfGoodwillTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Goodwill [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfGoodwillTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Goodwill [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BalanceSheetLocationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Balance Sheet Location [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BalanceSheetLocationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Balance Sheet Location</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MinimumPercentageOfRecognizedTaxBenefitLikelihoodOfBeingRealizedUponUltimateSettlementWithTaxAuthority_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Minimum percentage of recognized tax benefit likelihood of being realized upon ultimate settlement with the tax authority.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MinimumPercentageOfRecognizedTaxBenefitLikelihoodOfBeingRealizedUponUltimateSettlementWithTaxAuthority_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum Percentage Of Recognized Tax Benefit Likelihood Of Being Realized Upon Ultimate Settlement With Tax Authority</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MinimumPercentageOfRecognizedTaxBenefitLikelihoodOfBeingRealizedUponUltimateSettlementWithTaxAuthority_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum percentage of recognized tax benefit likelihood of being realized upon ultimate settlement with the tax authority</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VestingDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Vesting [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VestingDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Vesting</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SponsorsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents information related to sponsors.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SponsorsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sponsors [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SponsorsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sponsors</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ShortTermDebtPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-Term Debt- Yorkville</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ShortTermDebtPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Short-term debt policy text block.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ShortTermDebtPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities and stockholders' equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities and Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Nonoperating Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Interest expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AggregateOfferingPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Aggregate offering price.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AggregateOfferingPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Aggregate Offering Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AggregateOfferingPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate offering price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, State or Province</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, State or Province</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_LitigationCaseTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Litigation Case [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred income tax expense (benefit):</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RegisteredDirectWarrantIssuanceDuringJuly_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">July 2023 Registered Direct warrant issuance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RegisteredDirectWarrantIssuanceDuringJuly_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Registered Direct warrant issuance During July</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RegisteredDirectWarrantIssuanceDuringJuly_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Registered direct warrant issuance during july.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, New Issues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Share price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteStockSplitConversionRatio1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reverse stock split ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteStockSplitConversionRatio1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholders' Equity Note, Stock Split, Conversion Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OptionToRenewLeaseTermPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Option to renew lease term period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OptionToRenewLeaseTermPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Option To Renew Lease Term Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OptionToRenewLeaseTermPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Option to renew lease term period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OptionToRenewLeaseTermPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Option to renew lease for two additional term period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Options ending balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Options opening balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Options outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Estimated fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Estimated fair value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_TwoThousandAndTwentyOneEquityIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2021 Plan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_TwoThousandAndTwentyOneEquityIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Two Thousand And Twenty One Equity Incentive Plan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_TwoThousandAndTwentyOneEquityIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Two thousand and twenty one equity incentive plan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_UnpaidBaseSalary_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unpaid base salary</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_UnpaidBaseSalary_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unpaid Base Salary</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_UnpaidBaseSalary_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Unpaid base salary.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NumberOfSharesHolding_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of shares holding.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NumberOfSharesHolding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Shares Holding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NumberOfSharesHolding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of shares holding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SegmentContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Segment contribution.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SegmentContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Contribution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SegmentContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment contribution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average grant-date fair value of stock options granted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Fair market value per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Comprehensive (loss) income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Comprehensive Income (Loss), Net of Tax, Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Inventory</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill and Intangible Assets, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiabilityIncreaseDecreaseForContractAcquiredInBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contract with Customer, Liability, Increase (Decrease) for Contract Acquired in Business Combination</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiabilityIncreaseDecreaseForContractAcquiredInBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferral of revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OfficeAndLaboratorySpaceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Office and laboratory space.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OfficeAndLaboratorySpaceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Office And Laboratory Space [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OfficeAndLaboratorySpaceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Office and Laboratory Space</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_TradingSymbol_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Trading Symbol</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_TradingSymbol_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trading Symbol</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SponsorWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sponsor warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SponsorWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sponsor Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SponsorWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sponsor Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Issue of common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares, Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, shares issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock-based compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseAgreementWithBiocellgraftIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">License Agreement with BioCellgraft, Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseAgreementWithBiocellgraftIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">License Agreement with BioCellgraft, Inc.[Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseAgreementWithBiocellgraftIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">License Agreement with BioCellgraft, Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepaid Expense and Other Assets, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepaid expenses and other current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Prepaid expenses and other current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_TwoThousandTwentyThreeRegisteredDirectWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">2023 Registered Direct Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_TwoThousandTwentyThreeRegisteredDirectWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Two Thousand Twenty Three Registered Direct Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_TwoThousandTwentyThreeRegisteredDirectWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">2023 Registered Direct Warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentRemainingAmountRepayment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument remaining amount repayment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentRemainingAmountRepayment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Remaining Amount Repayment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentRemainingAmountRepayment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument remaining amount repayment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidatedEntitiesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidated Entities [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidatedEntitiesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consolidated Entities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Interest Rate During Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Annual interest rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ShareIssuedPurchasedPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share issued purchased price.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ShareIssuedPurchasedPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Issued Purchased Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ShareIssuedPurchasedPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share issued purchase price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DescriptionOfOrganizationAndBusinessOperationsDetailsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Description of Organization and Business Operations (Details) [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DescriptionOfOrganizationAndBusinessOperationsDetailsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Description Of Organization And Business Operations Details [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DescriptionOfOrganizationAndBusinessOperationsDetailsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Description Of Organization And Business Operations Details [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SanuwaveForbearanceAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sanuwave</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SanuwaveForbearanceAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sanuwave Forbearance Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SanuwaveForbearanceAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sanuwave forbearance agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AociIncludingPortionAttributableToNoncontrollingInterestMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">AOCI Including Portion Attributable to Noncontrolling Interest [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AociIncludingPortionAttributableToNoncontrollingInterestMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated Other Comprehensive Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IncreaseDecreaseInRightOfUseAssetsAndLeaseLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Right-of-use assets and lease liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IncreaseDecreaseInRightOfUseAssetsAndLeaseLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase Decrease In Right Of Use Assets And Lease Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IncreaseDecreaseInRightOfUseAssetsAndLeaseLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Increase decrease in right of use assets and lease liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MinimumRequiredDailyVolumeWeightedAveragePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Minimum required daily volume weighted average price.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MinimumRequiredDailyVolumeWeightedAveragePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum Required Daily Volume Weighted Average Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MinimumRequiredDailyVolumeWeightedAveragePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum required daily volume weighted average price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfIncomeTaxProvisionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of income tax provision [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfIncomeTaxProvisionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Income Tax Provision [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares, Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance (in Shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance (in Shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LitigationSettlementAmountAwardedToOtherParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Agreed to pay settlement payment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LitigationSettlementAmountAwardedToOtherParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Litigation Settlement, Amount Awarded to Other Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2026</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid, Year Three</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantsAndRightsIssuedClosingDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants and rights issued closing date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantsAndRightsIssuedClosingDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants And Rights Issued Closing Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantsAndRightsIssuedClosingDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Warrants and rights issued closing date.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Capital Shares Reserved for Future Issuance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of shares reserved for issuance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseAgreementDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">License Agreement Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseAgreementDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">License Agreement Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseAgreementDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">License agreement, description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ValuationInputForShortTermDebtTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Valuation input for short-term debt term.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ValuationInputForShortTermDebtTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Input For Short-term Debt Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ValuationInputForShortTermDebtTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Term (years)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DeferredTaxAssetsStartupCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred tax assets startup costs.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DeferredTaxAssetsStartupCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets Startup Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DeferredTaxAssetsStartupCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Startup costs</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred tax liabilities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueAssetsOfYorkvilleDebtMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Assets of Yorkville Debt Measured on Recurring Basis Unobservable Input Reconciliation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueAssetsOfYorkvilleDebtMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value assets of yorkville debt measured on recurring basis unobservable input reconciliation.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueAssetsOfYorkvilleDebtMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Assets of Yorkville Debt Measured on Recurring Basis Unobservable Input Reconciliation [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MasterSubscriptionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Master subscription agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MasterSubscriptionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Master Subscription Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MasterSubscriptionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Master Subscription Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReductionInLineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Reduction in line of credit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReductionInLineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reduction in Line of Credit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReductionInLineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reduction in line of credit.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, City or Town</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, City or Town</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Weighted Average Discount Rate, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average discount rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PaymentForMonth_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payment for month.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PaymentForMonth_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payment For Month</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PaymentForMonth_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payment for month</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Number of shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right, Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of warrant or right, outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReductionOfResearchAndDevelopmentExpenseResultingFromGrant_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reduction of research and development expense resulting from grant.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReductionOfResearchAndDevelopmentExpenseResultingFromGrant_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reduction Of Research And Development Expense Resulting From Grant</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReductionOfResearchAndDevelopmentExpenseResultingFromGrant_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reduction of research and development expense resulting from grant</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Estimated Useful Life of Assets Based on Depreciation and Amortization Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Options, Vested and expected to vest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SorrentoTherapeuticsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sorrento Therapeutics, Inc</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SorrentoTherapeuticsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sorrento Therapeutics Inc [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SorrentoTherapeuticsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sorrento therapeutics inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseAgreementNoticePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">License agreement notice period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseAgreementNoticePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">License Agreement Notice Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseAgreementNoticePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Notice period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationAwardTrancheTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Tranche Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationAwardTrancheTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">After 2 Years</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationAwardTrancheTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Second Tranche</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputExpectedDividendRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Expected Dividend Rate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputExpectedDividendRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividend Yield</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Paid-in Capital [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional Paid-in Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Current and Deferred Tax Provision</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReversedStockBasedCompensationExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reversed Stock-Based Compensation Expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReversedStockBasedCompensationExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reversed Stock-Based Compensation Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReversedStockBasedCompensationExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reversed stock-based compensation expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReductionOfRightOfUseAssetsAndAssociatedLeaseLiabilityDueToLeaseModification_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reduction of right-of-use assets and associated lease liability due to lease modification</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReductionOfRightOfUseAssetsAndAssociatedLeaseLiabilityDueToLeaseModification_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reduction Of Right-of-use Assets And Associated Lease Liability Due To Lease Modification</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReductionOfRightOfUseAssetsAndAssociatedLeaseLiabilityDueToLeaseModification_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reduction of right-of-use assets and associated lease liability due to lease modification.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLifeDescriptionOfTermExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant, and Equipment, Useful Life, Term, Description [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentForAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentForAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentForAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Amortization, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Issuance Costs Incurred During Noncash or Partial Noncash Transaction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Receipt of convertible note in connection with the Sanuwave Transaction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentIssuedPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issue of Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentIssuedPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Issued, Principal</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeriesBPreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series B Preferred Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeriesBPreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series B Preferred Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities, Current [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current liabilities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StandbyEquityPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Standby Equity Purchase Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StandbyEquityPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Standby Equity Purchase Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StandbyEquityPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Standby equity purchase agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Current [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current assets:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Reserves</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable, Allowance for Credit Loss, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts receivable, net of allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">License agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">License Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sirion License</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CounterpartyNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Counterparty Name [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CounterpartyNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Counterparty Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueNetAssetsLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value of asset after deduction of liability.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueNetAssetsLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Net Assets Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueNetAssetsLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Fair value, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueNetAssetsLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of the warrant liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueNetAssetsLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Fair Value, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Par or Stated Value Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock par value (in Dollars per share)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BridgeLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rwi senior secured bridge loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BridgeLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Bridge Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ValuationInputForShortTermDebtDividendYield_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Valuation Input for short-term debt dividend yield.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ValuationInputForShortTermDebtDividendYield_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Input for Short-term Debt Dividend Yield</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ValuationInputForShortTermDebtDividendYield_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividend yield</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Stockholders' Equity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateImmaterialEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateImmaterialEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Exercise Price, Vested and expected to vest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_JanuaryTwoThousandTwentyFourPipeWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">January 2024 PIPE Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_JanuaryTwoThousandTwentyFourPipeWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">January Two Thousand Twenty Four PIPE Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_JanuaryTwoThousandTwentyFourPipeWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">January two thousand twenty four pipe warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lender Name [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lender Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdvertisingCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advertising Cost [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdvertisingCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advertising and Marketing Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CeoPromissoryNoteMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CEO Promissory Note</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CeoPromissoryNoteMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">CEO Promissory Note [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CeoPromissoryNoteMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">CEO promissory note.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Maturity Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible promissory note due date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Maturity date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CommercialLicenseToDentalProductsAgreementPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Commercial license to dental products agreement initial period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CommercialLicenseToDentalProductsAgreementPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commercial License To Dental Products Agreement Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CommercialLicenseToDentalProductsAgreementPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Commercial license to dental products agreement period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ValuationInputForShortTermDebtCreditSpread_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Valuation input for short-term debt credit spread.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ValuationInputForShortTermDebtCreditSpread_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Input For Short-term Debt Credit Spread</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ValuationInputForShortTermDebtCreditSpread_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit spread</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property and equipment, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Property and equipment, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_HLICellularTherapeuticsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">HLICellularTherapeuticsMember</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_HLICellularTherapeuticsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">H L I Cellular Therapeutics [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_HLICellularTherapeuticsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">HLI Cellular Therapeutics, LLC</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_BusinessDays_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business days</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_BusinessDays_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Days</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_BusinessDays_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business days.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value adjustment through accumulated other comprehensive income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProvisionForDoubtfulAccounts_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Provision for credit losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProvisionForDoubtfulAccounts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable, Credit Loss Expense (Reversal)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProvisionForDoubtfulAccounts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Provision for doubtful accounts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentContributionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument contribution amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentContributionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Contribution Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentContributionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument, contribution amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AcquiredInProcessResearchAndDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquired in-process research and development</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AcquiredInProcessResearchAndDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Acquired In-process Research And Development</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AcquiredInProcessResearchAndDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Acquired in-process research and development.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ClinicalAndRegulatoryMilestones_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Clinical and regulatory milestones.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ClinicalAndRegulatoryMilestones_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Clinical And Regulatory Milestones</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ClinicalAndRegulatoryMilestones_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Clinical and regulatory milestones</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AdjustedAdvanceNoticePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adjusted advance notice period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AdjustedAdvanceNoticePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjusted Advance Notice Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AdjustedAdvanceNoticePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Adjusted advance notice period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate Intrinsic Value, Vested and expected to vest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Federal statutory income tax rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationContingentConsiderationLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquisition-related contingent consideration</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationContingentConsiderationLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Contingent consideration</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationContingentConsiderationLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Business Combination, Contingent Consideration, Liability, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationContingentConsiderationLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Acquisition-related contingent consideration obligations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LoanAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loan agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LoanAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loan Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LoanAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AccumulatedOtherComprehensiveIncomeToOtherExpenseUponShortTermDebtConversion_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated other comprehensive income to other income (expense) upon short term debt conversion</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AccumulatedOtherComprehensiveIncomeToOtherExpenseUponShortTermDebtConversion_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accumulated Other Comprehensive Income To Other Expense Upon Short Term Debt Conversion</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AccumulatedOtherComprehensiveIncomeToOtherExpenseUponShortTermDebtConversion_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accumulated other comprehensive income to other expense upon short term debt conversion.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioUnspecifiedDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Forecast</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioUnspecifiedDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Scenario [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfArrangementAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Collaborative Arrangement and Arrangement Other than Collaborative [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfArrangementAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Collaborative Arrangement and Arrangement Other than Collaborative</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PalantirTechnologiesIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Palantir Technologies, Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PalantirTechnologiesIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Palantir Technologies Inc [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PalantirTechnologiesIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Palantir Technologies Inc</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PalantirTechnologiesIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Palantir Technologies, Inc</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IssuanceOfCommonStockMinimumOptionPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Issuance of common stock minimum option price per share.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IssuanceOfCommonStockMinimumOptionPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance of Common Stock Minimum Option Price Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IssuanceOfCommonStockMinimumOptionPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of common stock minimum option price per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Central Index Key</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Central Index Key</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OtherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OtherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OtherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants to purchase aggregate shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right, Number of Securities Called by Warrants or Rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Warrants to purchase Class A common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AccrualsForConstructionInProgress_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accruals for construction in progress.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AccrualsForConstructionInProgress_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accruals For Construction In Progress</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AccrualsForConstructionInProgress_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accruals for construction in progress</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Plan Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Plan Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdopted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change in Accounting Principle, Accounting Standards Update, Adopted [true false]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdopted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in accounting principle, accounting standards update, adopted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RegulatoryMilestones_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Regulatory milestones.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RegulatoryMilestones_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Regulatory Milestones</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RegulatoryMilestones_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Regulatory milestones</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PercentageOfConversionOnOutstandingCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of conversion on outstanding common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PercentageOfConversionOnOutstandingCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of conversion on outstanding common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PercentageOfConversionOnOutstandingCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of conversion on outstanding common stock.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ChangeInFairValueOfContingentStockConsideration_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in fair value of contingent stock consideration</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ChangeInFairValueOfContingentStockConsideration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change In Fair Value Of Contingent Stock Consideration</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ChangeInFairValueOfContingentStockConsideration_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Change in fair value of contingent stock consideration.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ChangeInFairValueOfContingentStockConsideration_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Fair value adjustments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueMeasurementWithUnobservableInputsReconciliationConversionOfDebtIntoCommonShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value measurement with unobservable inputs reconciliation conversion of debt into common shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueMeasurementWithUnobservableInputsReconciliationConversionOfDebtIntoCommonShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement with Unobservable Inputs Reconciliation Conversion of Debt Into Common Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueMeasurementWithUnobservableInputsReconciliationConversionOfDebtIntoCommonShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Conversion of debt into common shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCashNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Restricted Cash, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCashNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Activity in Allowance for Credit Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable, Allowance for Credit Loss [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Shares Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock, shares outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Preferred Stock, Shares Outstanding, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Preferred Stock, Shares Outstanding, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Principal repayments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PercentageIncreaseInBaseAnnualRent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage increase in base annual rent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PercentageIncreaseInBaseAnnualRent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Increase In Base Annual Rent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PercentageIncreaseInBaseAnnualRent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage increase in base annual rent.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfGoodwillTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Goodwill [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfGoodwillTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Carrying Values Of Goodwill Assigned To Operating Segments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Tax Identification Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Tax Identification Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Future Minimum Payments under Non-Cancelable Operating Leases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net (loss) income before income taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_YorkvilleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Short-Term Debt - Yorkville</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_YorkvilleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Yorkville.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_YorkvilleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Yorkville [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_YorkvilleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Yorkville</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueAssetsLevelOneToLevelTwoTransfersAmountDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value, assets, level 1 to level 2 transfers, amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueAssetsLevelOneToLevelTwoTransfersAmountDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Assets Level One To Level Two Transfers Amount During Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueAssetsLevelOneToLevelTwoTransfersAmountDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value assets level one to level two transfers amount during period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NonCashLeaseExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non cash lease expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NonCashLeaseExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non Cash Lease Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NonCashLeaseExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Non cash lease expense.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RelatedPartyFullTimeBaseSalary_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Related party full time base salary.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RelatedPartyFullTimeBaseSalary_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Full Time Base Salary</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RelatedPartyFullTimeBaseSalary_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Full time base salary</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Operating Capital [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Changes in assets and liabilities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impairment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScientificAndClinicalAdvisorAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SAB Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScientificAndClinicalAdvisorAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Scientific And Clinical Advisor Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScientificAndClinicalAdvisorAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">scientific and clinical advisor agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfDebtIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Payments of PIPE and other issuance costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfDebtIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments of Debt Issuance Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SeriesBPreferredStockPurchaseAgreementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series B preferred stock purchase agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SeriesBPreferredStockPurchaseAgreementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series B Preferred Stock Purchase Agreements [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SeriesBPreferredStockPurchaseAgreementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series B Preferred Stock Purchase Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock-based compensation expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueOfWarrantModificationForProfessionalServices_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of warrant modification for professional services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueOfWarrantModificationForProfessionalServices_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Of Warrant Modification For Professional Services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueOfWarrantModificationForProfessionalServices_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value of warrant modification for professional services.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value of warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Of Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Fair value of warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConstructionInProgressMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Construction in Progress [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConstructionInProgressMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Construction in Progress</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_EmergingGrowthCompanyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disclosure of accounting policy for its emerging growth company.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_EmergingGrowthCompanyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Emerging Growth Company Policy [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_EmergingGrowthCompanyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Emerging Growth Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeasesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Leases [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeasesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Leases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Plan Name [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Plan Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionOriginalDebtAmount1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Conversion, Original Debt, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionOriginalDebtAmount1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt conversion, principal amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_SegmentGeographicalDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Geographical [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_SegmentGeographicalDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Geographical</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NetOfReductionInBuildToSuitLease_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net of reduction in build-to-suit lease</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NetOfReductionInBuildToSuitLease_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Of Reduction In Build To Suit Lease</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NetOfReductionInBuildToSuitLease_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net of reduction in build-to-suit lease.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Right-of-use assets - operating leases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Right-of-Use Asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Operating lease right-of-use-assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ValuationInputForShortTermDebtSharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Valuation input for short-term debt share price.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ValuationInputForShortTermDebtSharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Input for Short Term Debt Share Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ValuationInputForShortTermDebtSharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common share price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unrecognized compensation cost for options issued (in Dollars)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ChangeInFairValueOfContingentConsiderationLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Change in fair value of contingent consideration liability.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ChangeInFairValueOfContingentConsiderationLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change In Fair Value Of Contingent Consideration Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ChangeInFairValueOfContingentConsiderationLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in fair value of contingent consideration liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SaleOfStockMaximumAverageDailyTradedAmountThresholdConsecutiveTradingDays_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale of stock, maximum average daily traded amount, threshold consecutive trading days</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SaleOfStockMaximumAverageDailyTradedAmountThresholdConsecutiveTradingDays_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale Of Stock, Maximum Average Daily Traded Amount, Threshold Consecutive Trading Days</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SaleOfStockMaximumAverageDailyTradedAmountThresholdConsecutiveTradingDays_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sale of stock, maximum average daily traded amount, threshold consecutive trading days.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Class A [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class A Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Registrant Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Registrant Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Components of Deferred Tax Assets [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred tax assets:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueOfFinancialAssetsAndLiabilitiesTablesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair Value of Financial Assets and Liabilities (Tables) [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueOfFinancialAssetsAndLiabilitiesTablesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Of Financial Assets And Liabilities Tables [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueOfFinancialAssetsAndLiabilitiesTablesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Of Financial Assets And Liabilities Tables [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NetOperatingLossesAndUnusedResearchAndDevelopmentTaxCreditsSold_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net operating losses and unused research and development tax credits sold.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NetOperatingLossesAndUnusedResearchAndDevelopmentTaxCreditsSold_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Operating Losses And Unused Research And Development Tax Credits Sold</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NetOperatingLossesAndUnusedResearchAndDevelopmentTaxCreditsSold_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net operating losses and unused R&amp;D tax credits sold</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party, Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DirectOperatingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Direct Operating Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DirectOperatingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Direct expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DirectOperatingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Direct Operating Costs, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retained Earnings (Accumulated Deficit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Accumulated deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Retained Earnings (Accumulated Deficit), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantExpirationTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represent information warrant expiration term.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantExpirationTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrant Expiration Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantExpirationTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrant term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfActivityInInventoryReservesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Activity in Inventory Reserves</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfActivityInInventoryReservesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Activity in Inventory Reserves [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfActivityInInventoryReservesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of activity in inventory reserves.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supplemental Cash Flow Information [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Supplemental disclosure of cash flow information:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DragasacWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Dragasac warrant.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DragasacWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dragasac Warrant [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DragasacWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dragasac Warrant</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retained Earnings [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated Deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesFairValueAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities, Fair Value Adjustment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesFairValueAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value adjustments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Number of Shares opening balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Number of Shares ending balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity, Including Portion Attributable to Noncontrolling Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total stockholders' equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MaximumPercentageOfSalesCommissionFromGrossSalesProceeds_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Maximum Percentage of Sales Commission From Gross Sales Proceeds</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MaximumPercentageOfSalesCommissionFromGrossSalesProceeds_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maximum Percentage of Sales Commission From Gross Sales Proceeds</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MaximumPercentageOfSalesCommissionFromGrossSalesProceeds_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sales agents commission rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilitiesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Income Tax Liabilities, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilitiesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred income tax liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AmortizableIntangibleAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amortizable Intangible Assets Abstract</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AmortizableIntangibleAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortizable Intangible Assets [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AmortizableIntangibleAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortizable intangible assets:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MinimumClosingBidPriceOfCommonStockConsecutiveBusinessDays_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Minimum closing bid price of common stock consecutive business days.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MinimumClosingBidPriceOfCommonStockConsecutiveBusinessDays_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum Closing Bid Price Of Common Stock Consecutive Business Days</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MinimumClosingBidPriceOfCommonStockConsecutiveBusinessDays_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum consecutive business days</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StarrBridgeFirstAmendmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Starr Bridge First Amendment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StarrBridgeFirstAmendmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Starr Bridge First Amendment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StarrBridgeFirstAmendmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Starr bridge first amendment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LetterAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Letter Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LetterAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Letter Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LetterAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Letter agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TenantImprovements_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tenant Improvements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TenantImprovements_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tenant improvement allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Stock Options Exercised</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from the exercise of stock options</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentPaymentRemainingBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument payment remaining balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentPaymentRemainingBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Payment Remaining Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentPaymentRemainingBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt Instrument Payment Remaining Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Significant Accounting Policies [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Significant Accounting Policies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Operating Lease, Liability, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating lease liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InitialNotePayment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Initial note payment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InitialNotePayment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Initial Note Payment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InitialNotePayment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Initial note payment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MayTwoThousandTwentyTwoPrivateInvestmentInPublicEquityWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">May 2022 PIPE Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MayTwoThousandTwentyTwoPrivateInvestmentInPublicEquityWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">May Two Thousand Twenty Two Private Investment In Public Equity Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MayTwoThousandTwentyTwoPrivateInvestmentInPublicEquityWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">May Two Thousand Twenty Two Private Investment in Public Equity warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioForecastMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Forecast</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioForecastMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Forecast [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesFairValueDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities, Fair Value Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesFairValueDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationAwardTrancheOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Tranche One [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationAwardTrancheOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">After 1 Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Component [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity Component</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementBusinessSegmentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segments [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementBusinessSegmentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeStockOptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Stock Options</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdoptionDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change in Accounting Principle, Accounting Standards Update, Adoption Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdoptionDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in accounting principle, accounting standards update, adoption date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SupplyAndDistributionAgreementNonRenewalNoticePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Supply and distribution agreement non renewal notice period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SupplyAndDistributionAgreementNonRenewalNoticePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supply And Distribution Agreement Non Renewal Notice Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SupplyAndDistributionAgreementNonRenewalNoticePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Supply and distribution agreement non-renewal notice period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SoftwareDevelopmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Software Development [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SoftwareDevelopmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Software</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockBasedCompensationDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Based Compensation Details [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockBasedCompensationDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock Based Compensation Details [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockBasedCompensationDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock-Based Compensation (Details) [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adjustments to reconcile net (loss) income to net cash used in operations:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesIssuedForFutureIssuanceAutomaticIncreasePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation arrangement by share based payment award, number of shares issued for future issuance automatic increase period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesIssuedForFutureIssuanceAutomaticIncreasePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Issued For Future Issuance Automatic Increase Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesIssuedForFutureIssuanceAutomaticIncreasePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of shares issued for future issuance automatic increase period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AmendedAndRestatedDragasacWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amended and restated Dragasac warrant.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AmendedAndRestatedDragasacWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amended And Restated Dragasac Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AmendedAndRestatedDragasacWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amended and Restated Dragasac Warrant</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ProceedsFromIssuanceOfSeniorSecuredBridgeLoanAndWarrantsRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from issuance of senior secured C.V. Starr bridge loan and warrants - related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ProceedsFromIssuanceOfSeniorSecuredBridgeLoanAndWarrantsRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Issuance of Senior Secured Bridge Loan and Warrants Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ProceedsFromIssuanceOfSeniorSecuredBridgeLoanAndWarrantsRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds from issuance of senior secured bridge loan and warrants related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax withholding on vesting of restricted stock units</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Tax withholding on vesting of restricted stock units</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of modified warrant, incremental expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Plan Modification, Incremental Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increase interest rate on loan outstanding by basis points</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Basis Spread on Variable Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCurrentReportingStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Current Reporting Status</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCurrentReportingStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Current Reporting Status</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares Authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, shares authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Research and Development Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Research and development</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Research and Development Expense, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PaymentTermNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payment term, net.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PaymentTermNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payment Term Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PaymentTermNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payment term, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Total deferred tax liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Deferred Tax Liabilities, Gross, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ConvertibleNoteReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible note receivable.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ConvertibleNoteReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Note Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ConvertibleNoteReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible note receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ForbearanceAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Forbearance Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ForbearanceAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Forbearance Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ForbearanceAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Forbearance agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DeferredTaxAssetsTaxCreditCarryforwardsResearchAndDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred tax assets tax credit carryforwards research and development.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DeferredTaxAssetsTaxCreditCarryforwardsResearchAndDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets Tax Credit Carryforwards Research And Development</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DeferredTaxAssetsTaxCreditCarryforwardsResearchAndDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Research and development tax credit carryforwards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MaterialBreachContractTerminatedTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Material breach, contract terminated term.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MaterialBreachContractTerminatedTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Material Breach Contract Terminated Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MaterialBreachContractTerminatedTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Material breach, contract terminated term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueAssetsOfContingentStockConsiderationMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Reconciliation of Contingent Stock Consideration Obligations Measured on a Recurring Basis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueAssetsOfContingentStockConsiderationMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Assets Of Contingent Stock Consideration Measured On Recurring Basis Unobservable Input Reconciliation [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueAssetsOfContingentStockConsiderationMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value assets of contingent stock consideration measured on recurring basis unobservable input reconciliation text block.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingStandardsUpdateExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net proceeds from offerings of equity securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net proceeds from sale of common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PercentageOfUnpaidBaseSalary_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of unpaid base salary</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PercentageOfUnpaidBaseSalary_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Unpaid Base Salary</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PercentageOfUnpaidBaseSalary_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of unpaid base salary.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue from Contract with Customer [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenue Recognition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization of Intangible Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization of acquired intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of shares remaining available for future grant</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Repurchased and Retired During Period, Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchase and retirement of common shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock, $0.0001 par value, 730,000,000 shares authorized, 19,378,192 issued and outstanding as of December 31, 2023; 730,000,000 shares authorized, 14,892,129 issued and outstanding as of December 31, 2022</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Value, Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Conversion price per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Convertible, Conversion Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InventoryTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InventoryTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Inventory.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CariCordParticipatingShareholdersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">CariCord participating shareholders.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CariCordParticipatingShareholdersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cari Cord Participating Shareholders [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CariCordParticipatingShareholdersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CariCord Participating Shareholders</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in valuation allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued Expenses and Other Current Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DrAndrewPecoraMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dr. Andrew Pecora</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DrAndrewPecoraMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dr Andrew Pecora [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DrAndrewPecoraMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Dr. Andrew Pecora.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AnnualRateOfBaseSalary_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Annual rate of base salary</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AnnualRateOfBaseSalary_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Annual Rate Of Base Salary</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AnnualRateOfBaseSalary_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Annual rate of base salary.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CustomerAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer A</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CustomerAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer A [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CustomerAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Customer A.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiabilityRevenueRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contract with Customer, Liability, Revenue Recognized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiabilityRevenueRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Remaining deferred revenue recognized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiabilityRevenueRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Revenue recognized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FurnitureAndFixturesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Furniture and Fixtures [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FurnitureAndFixturesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Furniture and Fixtures</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Liabilities, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total accrued expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FaceValueOfNotesReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of face value of notes receivable.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FaceValueOfNotesReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Face Value Of Notes Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FaceValueOfNotesReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Face value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Fiscal Year End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current Fiscal Year End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock-based compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Noncash Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Share-Based Payment Arrangement, Noncash Expense, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Auditor Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorName_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Auditor Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Income (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Loss from operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss from operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net operating loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash payment</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleLeasebackTransactionAccumulatedDepreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale Leaseback Transaction, Accumulated Depreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleLeasebackTransactionAccumulatedDepreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale leaseback transaction, accumulated depreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IssuancePricePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance price percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IssuancePricePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance Price Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IssuancePricePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Issuance price percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityExTransitionPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Ex Transition Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityExTransitionPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Ex Transition Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Consideration Transferred</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of consideration</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Business Combination, Consideration Transferred, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Income Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total deferred tax expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockBasedCompensationDetailsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Based Compensation Details [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockBasedCompensationDetailsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock Based Compensation Details [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockBasedCompensationDetailsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock-Based Compensation (Details) [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income tax expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total expense from income taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AccruedResearchAndDevelopmentSoftware_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accrued research and development software.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AccruedResearchAndDevelopmentSoftware_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Research And Development Software</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AccruedResearchAndDevelopmentSoftware_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued R&amp;D software</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockIssuedDuringPeriodValuesShortTermDebtMaturityExtension_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock issued pursuant to short-term debt maturity extension</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockIssuedDuringPeriodValuesShortTermDebtMaturityExtension_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Values, Short-term Debt Maturity Extension</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockIssuedDuringPeriodValuesShortTermDebtMaturityExtension_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock issued during period, values, short-term debt maturity extension.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SeriesXRedeemableConvertiblePreferredStocksMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series X redeemable convertible preferred stock.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SeriesXRedeemableConvertiblePreferredStocksMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series X Redeemable Convertible Preferred Stocks [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SeriesXRedeemableConvertiblePreferredStocksMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series X Redeemable Convertible Preferred Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Convertible Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Research and Development Expense [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Research and Development Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfFairValueSignificantInputsForWarrantsIssuedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of Fair value significant inputs for warrants issued.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfFairValueSignificantInputsForWarrantsIssuedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Fair Value Significant Inputs For Warrants Issued Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfFairValueSignificantInputsForWarrantsIssuedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Fair Value of Warrants Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RecapitalizationNetOfRedemptionsEquityIssuanceCostsAndMergerCostsShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Recapitalization net of redemptions, equity issuance costs and merger costs shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RecapitalizationNetOfRedemptionsEquityIssuanceCostsAndMergerCostsShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Recapitalization Net Of Redemptions Equity Issuance Costs And Merger Costs Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RecapitalizationNetOfRedemptionsEquityIssuanceCostsAndMergerCostsShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recapitalization from GX Acquisition Corp. merger, net of redemptions, equity issuance costs and merger costs (in Shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeLeasesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Leases [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeLeasesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Leases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AprilTwoThousandTwentyThreeRegisteredDirectWarrantsModifiedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">April 2023 Registered Direct Warrants (Modified)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AprilTwoThousandTwentyThreeRegisteredDirectWarrantsModifiedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">April Two Thousand Twenty Three Registered Direct Warrants, Modified [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AprilTwoThousandTwentyThreeRegisteredDirectWarrantsModifiedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">April two thousand twenty three registered direct warrants, modified.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskPercentage1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk, Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskPercentage1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration Risk, Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IncomeTaxDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income tax disclosure.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IncomeTaxDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Disclosure [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IncomeTaxDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Tax Disclosure [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DefinedContributionPlanAccruedAmountMatchingContributionNotMade_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued amount but not made matching contribution to the plan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DefinedContributionPlanAccruedAmountMatchingContributionNotMade_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Defined Contribution Plan Accrued Amount Matching Contribution Not Made</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DefinedContributionPlanAccruedAmountMatchingContributionNotMade_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Defined contribution plan accrued amount matching contribution not made.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock-based compensation expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Stock-based compensation expense recognized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OtherNonoperatingIncomeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other income (expense), net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OtherNonoperatingIncomeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other nonoperating income expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OtherNonoperatingIncomeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Nonoperating Income Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Indefinite-Lived Intangible Assets [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payment, Tax Withholding, Share-Based Payment Arrangement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Tax withholding on vesting of restricted stock units</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disaggregation of Revenue [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Disaggregation Of Revenue [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Vesting percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Measurement Input Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MachineryEquipmentAndFixturesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Machinery, equipment and fixtures.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MachineryEquipmentAndFixturesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Machinery Equipment And Fixtures [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MachineryEquipmentAndFixturesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Machinery, Equipment and Fixtures</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equipment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lab Equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ConvertiblePromissoryNoteDiscountPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Original issue discount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ConvertiblePromissoryNoteDiscountPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Promissory Note Discount Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ConvertiblePromissoryNoteDiscountPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible promissory note discount percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortizable intangible assets, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Finite-Lived Intangible Assets, Net, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Finite-Lived Intangible Assets, Net, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Amortizable intangible assets, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Segment Reporting Information, by Segment [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Financial Information by Segment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingStandardsUpdate201602Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ASU 2016-02</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingStandardsUpdate201602Member_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Accounting Standards Update 2016-02</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IssuanceOfSeriesBConvertiblePreferredStockInConnectionWithCaricordAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Issuance of Series B convertible preferred stock in connection with CariCord acquisition.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IssuanceOfSeriesBConvertiblePreferredStockInConnectionWithCaricordAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance Of Series B Convertible Preferred Stock In Connection With Caricord Acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IssuanceOfSeriesBConvertiblePreferredStockInConnectionWithCaricordAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of Series B convertible preferred stock in connection with CariCord acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ClosingBidPricePerShareOfCommonStockThreshold_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Closing bid price per share of common stock threshold.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ClosingBidPricePerShareOfCommonStockThreshold_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Closing Bid Price Per Share Of Common Stock Threshold</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ClosingBidPricePerShareOfCommonStockThreshold_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Closing bid price per share of common stock threshold</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Deferred revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Deferred Revenue, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NewLineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">New line of credit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NewLineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">New Line of Credit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NewLineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">New line of credit.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue from Contract with Customer [Text Block]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impairment of Long-Lived Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate Intrinsic Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ProceedsFromOtherShortTermDebtRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from other short-term debt - related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ProceedsFromOtherShortTermDebtRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Other Short Term Debt Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ProceedsFromOtherShortTermDebtRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds from other short term debt related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RelatedPartyCashBonus_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Related Party Cash Bonus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RelatedPartyCashBonus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Cash Bonus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RelatedPartyCashBonus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">One-time cash bonus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PultheraLlcBindingTermSheetMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Pulthera, LLC Binding Term Sheet</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PultheraLlcBindingTermSheetMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Pulthera, LLC Binding Term Sheet [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PultheraLlcBindingTermSheetMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Pulthera, LLC binding term sheet.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LicenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">License [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LicenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">License Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseAndDistributionAgreementsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">License and distribution agreements.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseAndDistributionAgreementsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">License And Distribution Agreements [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseAndDistributionAgreementsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">License And Distribution Agreements [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Face Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan outstanding principal amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Principal amont</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net Income (Loss) per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_JuneTwoThousandTwentyThreeWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">June 2023 Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_JuneTwoThousandTwentyThreeWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">June Two Thousand Twenty Three Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_JuneTwoThousandTwentyThreeWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">June two thousand twenty three warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cumulative Effect, Period of Adoption, Adjustment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cumulative Effect, Period of Adoption, Adjustment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Increase related to current year tax provisions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increase related to current year tax provisions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfShortTermDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Principal payments of Yorkville short-term debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfShortTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Principal payments of Yorkville short-term debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfShortTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Principal payments of debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfShortTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments of Short-Term Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfShortTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Repayments of Short-Term Debt, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Total other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Nonoperating Income (Expense)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Other Nonoperating Income (Expense), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock, Price Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Average price per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostsAndExpensesRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Costs and Expenses, Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostsAndExpensesRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Costs related to straight line basis agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value adjustment through earnings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InProcessResearchAndDevelopmentImpairment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">IPR&amp;D impairment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InProcessResearchAndDevelopmentImpairment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">In-process Research And Development Impairment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InProcessResearchAndDevelopmentImpairment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">In-process research and development impairment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Expenses [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating expenses:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityVoluntaryFilers_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Voluntary Filers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityVoluntaryFilers_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Voluntary Filers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ProceedsFromIssuanceOfPrivatePlacementInAdditionalPaidInCapitalNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from issuance of private placement in additional paid in capital, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ProceedsFromIssuanceOfPrivatePlacementInAdditionalPaidInCapitalNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Issuance Of Private Placement In Additional Paid In Capital Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ProceedsFromIssuanceOfPrivatePlacementInAdditionalPaidInCapitalNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds from issuance of private placement in additional paid in capital net.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PrepaidExpensesAndOtherCurrentAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Prepaid expenses and other current assets disclosure.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PrepaidExpensesAndOtherCurrentAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepaid Expenses and Other Current Assets Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PrepaidExpensesAndOtherCurrentAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepaid Expenses and Other Current Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromOtherShortTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Proceeds from other short-term debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromOtherShortTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross proceeds</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromOtherShortTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Other Short-Term Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AprilTwoThousandTwentyThreeRegisteredDirectWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">April 2023 Registered Direct Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AprilTwoThousandTwentyThreeRegisteredDirectWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">April Two Thousand Twenty Three Registered Direct Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AprilTwoThousandTwentyThreeRegisteredDirectWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">April Two Thousand Twenty Three Registered Direct Warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ContingentStockConsiderationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contingent Stock Consideration</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ContingentStockConsiderationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contingent Stock Consideration [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ContingentStockConsiderationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Contingent stock consideration.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_TwoThousandTwentyFourWarrantRepricingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2024 Warrant Repricing</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_TwoThousandTwentyFourWarrantRepricingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Two Thousand Twenty Four Warrant Repricing [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_TwoThousandTwentyFourWarrantRepricingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Two thousand twenty four warrant repricing.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RwiNewWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">RWI New Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RwiNewWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">RWI New Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RwiNewWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">RWI new warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Assets, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other long-term assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AdvisoryAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Advisory agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AdvisoryAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advisory Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AdvisoryAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advisory Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Options Granted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Options granted to acquire shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Accrued Liabilities, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SaleOfStockPercentageBasedOnVolumeWeightedAveragePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale of stock, percentage based on volume weighted average price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SaleOfStockPercentageBasedOnVolumeWeightedAveragePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock, Percentage Based on Volume Weighted Average Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SaleOfStockPercentageBasedOnVolumeWeightedAveragePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sale of stock, percentage based on volume weighted average price.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Depreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Depreciation expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Depreciation, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Paid, Excluding Capitalized Interest, Operating Activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash paid for interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2027</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year Four</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2024</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredRevenueByArrangementDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Revenue, by Arrangement, Disclosure [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredRevenueByArrangementDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Changes in Deferred Revenue from Contract Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Paid in Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional paid-in capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Additional Paid in Capital, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ContingentValueRightIssuedForEachShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Contingent value right issued for each share.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ContingentValueRightIssuedForEachShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contingent Value Right Issued For Each Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ContingentValueRightIssuedForEachShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contingent value right issued for each share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CashPaidToSublicensor_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cash paid to sublicensor.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CashPaidToSublicensor_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Paid to Sublicensor</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CashPaidToSublicensor_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash paid to sublicensor</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stockholders' equity:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity, Attributable to Parent [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid, after Year Five</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Thereafter</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCostTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lease, Cost [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCostTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Lease Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">IPR&amp;D impairment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impairment of Intangible Assets (Excluding Goodwill)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Impairment of Intangible Assets (Excluding Goodwill), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DevelopedTechnologyRightsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Developed Technology Rights [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DevelopedTechnologyRightsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Developed Technology</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PublicUtilitiesInventoryTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Maximum Borrowing Capacity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional borrowings under the loan agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Line of credit aggregate limitation amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of the Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfReportingUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Number of operating segments tested for impairment of goodwill</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfReportingUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Reporting Units</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfReportingUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of reporting units</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SponsorsWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sponsors warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SponsorsWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sponsors Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SponsorsWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sponsors Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ProceedsFromLinesOfCreditGross_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds from lines of credit gross.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ProceedsFromLinesOfCreditGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Lines of Credit Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ProceedsFromLinesOfCreditGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from pre-paid advance gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Future Minimum Payments under Non-Cancelable Operating Leases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Indefinite-Lived Intangible Assets, Major Class Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ClosingBidPriceOfCommonStockConsecutiveBusinessDays_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Closing bid price of common stock consecutive business days</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ClosingBidPriceOfCommonStockConsecutiveBusinessDays_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Closing Bid Price Of Common Stock Consecutive Business Days</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ClosingBidPriceOfCommonStockConsecutiveBusinessDays_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consecutive business days</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockIssuedDuringPeriodValueWarrantsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Exercise of warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockIssuedDuringPeriodValueWarrantsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Value Warrants Exercised</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockIssuedDuringPeriodValueWarrantsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock issued during period value warrants exercised.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_LitigationCaseAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Litigation Case [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_EffectiveIncomeTaxRateReconciliationDeferredTrueUp_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Effective income tax rate reconciliation deferred true-up.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_EffectiveIncomeTaxRateReconciliationDeferredTrueUp_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation Deferred True-up</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_EffectiveIncomeTaxRateReconciliationDeferredTrueUp_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred true-up</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Net deferred tax liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Deferred Tax Liabilities, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PaymentOfOptionFeeInCash_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payment of option fee in cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PaymentOfOptionFeeInCash_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payment Of Option Fee In Cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PaymentOfOptionFeeInCash_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payment of option fee in cash.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingPoliciesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Policies [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InventoryNetCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Inventory, net current and noncurrent.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InventoryNetCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory Net Current And Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InventoryNetCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Inventory, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segments [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ValuationinputforshortTermdebt_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Valuation input for short-term debt.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ValuationinputforshortTermdebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Input for Short-term Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ValuationinputforshortTermdebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Valuation input for short-term debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2028</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year Five</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeLeaseDescriptionTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Lease, Description [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InProcessResearchAndDevelopmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">IPR&amp;D</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InProcessResearchAndDevelopmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">In Process Research and Development [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InProcessResearchAndDevelopmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquired IPR&amp;D Product Rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Discount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Discount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument discount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StatementScenarioAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Scenario [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskCreditRisk_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance for Credit Losses and Concentrations of Credit Risk</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskCreditRisk_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk, Credit Risk, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockConsiderationReceivedOnTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consideration shares of common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockConsiderationReceivedOnTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock, Consideration Received on Transaction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share Based Compensation Arrangement By Share Based Payment Award [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CVStarrCoIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">C.V. Starr &amp; Co., Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CVStarrCoIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">C V Starr Co Inc [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CVStarrCoIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CV Starr</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IssuanceOfWarrantsAtEstimatedFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Issuance of warrants at estimated fair value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IssuanceOfWarrantsAtEstimatedFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance Of Warrants At Estimated Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IssuanceOfWarrantsAtEstimatedFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of warrants at estimated fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesTotalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities, Total [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesTotalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AmendedTerminationDateDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amended termination date description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AmendedTerminationDateDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amended Termination Date Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AmendedTerminationDateDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amended termination date description.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Interest Rate, Effective Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan interest rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InterestAccruedOnSeniorSecuredLoansWithinLongTermDebtRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest accrued on senior secured loans within long-term debt - related parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InterestAccruedOnSeniorSecuredLoansWithinLongTermDebtRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Accrued on Senior Secured Loans Within Long Term Debt Related Parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InterestAccruedOnSeniorSecuredLoansWithinLongTermDebtRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest accrued on senior secured loans within long term debt related parties.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityExpirationPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Expiration Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityExpirationPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pre-paid advance maturity period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InventoryFinishedGoodsCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Inventory finished goods current and noncurrent.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InventoryFinishedGoodsCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory Finished Goods Current And Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InventoryFinishedGoodsCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finished goods</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_EmploymentOfImmediateFamilyMemberMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employment of an immediate family member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_EmploymentOfImmediateFamilyMemberMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employment Of Immediate Family Member [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_EmploymentOfImmediateFamilyMemberMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employment of an Immediate Family Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AccruedResearchDevelopmentSoftware_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Accrued R&amp;D software</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AccruedResearchDevelopmentSoftware_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued R&amp;D Software</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AccruedResearchDevelopmentSoftware_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Research &amp; Development Software</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AccruedResearchDevelopmentSoftware_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accrued Research &amp; Development Software.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OfficeManufacturingAndLaboratorySpaceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Office manufacturing and laboratory space.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OfficeManufacturingAndLaboratorySpaceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Office Manufacturing And Laboratory Space [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OfficeManufacturingAndLaboratorySpaceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Office, Manufacturing and Laboratory Space</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockholdersEquityDetailsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stockholders&#8217; Equity (Details) [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockholdersEquityDetailsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholders Equity Details [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockholdersEquityDetailsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stockholders Equity Details [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IncomeTaxDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income tax disclosure.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IncomeTaxDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Disclosure [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IncomeTaxDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Tax Disclosure [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net (loss) income per share - basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net (loss) income, basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Earnings Per Share, Basic, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CustomerConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer Concentration Risk [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CustomerConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer Concentration Risk</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_GainLossRecognizedInEarningsFromChangeInFairValues_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Gain (loss) recognized in earnings from change in fair values.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_GainLossRecognizedInEarningsFromChangeInFairValues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain Loss Recognized In Earnings From Change In Fair Values</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_GainLossRecognizedInEarningsFromChangeInFairValues_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Gain recognized in earnings from change in fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_GainLossRecognizedInEarningsFromChangeInFairValues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gain recognized in earnings from change in fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantLiabilityRegisteredDirectWarrantsTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Warrant liability - July 2023 Registered Direct Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantLiabilityRegisteredDirectWarrantsTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrant Liability Registered Direct Warrants Two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantLiabilityRegisteredDirectWarrantsTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Warrant liability registered direct warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CVStarLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">CV star loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CVStarLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">C V Star Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CVStarLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CV Star Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PublicWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Public warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PublicWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Public Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PublicWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Public Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryWriteDown_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Write-offs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryWriteDown_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Write-offs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryWriteDown_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Inventory impairment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryWriteDown_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory Write-down</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments and Contingencies (Note 11)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RegisteredDirectWarrantsIssuance_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">April 2023 Registered Direct warrant issuance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RegisteredDirectWarrantsIssuance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Registered Direct Warrants Issuance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RegisteredDirectWarrantsIssuance_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Registered Direct Warrants Issuance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FinancingObligationsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing obligations current.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FinancingObligationsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Obligations Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FinancingObligationsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current portion of financing obligation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InitialMonthlyBaseRent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Initial monthly base rent.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InitialMonthlyBaseRent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Initial Monthly Base Rent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InitialMonthlyBaseRent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Initial monthly base rent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Statement [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentAmountRequiredForPaymentOnDue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payment on due</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentAmountRequiredForPaymentOnDue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Amount Required for Payment On Due</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentAmountRequiredForPaymentOnDue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument amount required for payment on due</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SummaryOfSignificantAccountingPoliciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Summary of significant accounting policies.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SummaryOfSignificantAccountingPoliciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary Of Significant Accounting Policies [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SummaryOfSignificantAccountingPoliciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary Of Significant Accounting Policies [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property and Equipment, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Debt, Current, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party, Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PerformanceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Performance Stock Units</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PerformanceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Performance Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustments to Additional Paid in Capital, Warrant Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueMeasurementWithUnobservableInputsReconciliationFairValueAdjustmentThroughInterestAccrual_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Fair value adjustment through interest accrual</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueMeasurementWithUnobservableInputsReconciliationFairValueAdjustmentThroughInterestAccrual_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement With Unobservable Inputs Reconciliation Fair Value Adjustment Through Interest Accrual</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueMeasurementWithUnobservableInputsReconciliationFairValueAdjustmentThroughInterestAccrual_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value measurement with unobservable inputs reconciliation fair value adjustment through interest accrual.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating lease cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CashConsiderationPerMonth_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cash consideration per month.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CashConsiderationPerMonth_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Consideration Per Month</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CashConsiderationPerMonth_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash consideration per month</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReimbursementOfCostUnderLicenseAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reimbursement of cost under license agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReimbursementOfCostUnderLicenseAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reimbursement Of Cost Under License Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReimbursementOfCostUnderLicenseAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reimbursement for enrolled patients in related clinical studies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Lease, Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short term lease cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in fair value of contingent consideration</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LegacyCelularityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Legacy Celularity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LegacyCelularityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Legacy Celularity [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LegacyCelularityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Legacy Celularity.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CompensationAndRetirementDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retirement Benefits [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_UnrestrictedCashAndCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Unrestricted cash and cash equivalents.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_UnrestrictedCashAndCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrestricted Cash and Cash Equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_UnrestrictedCashAndCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unrestricted cash and cash equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DueToLowerOfCostOrMarketAdjustmentsForWorkInProgressGoodsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Due to Lower of Cost or Market Adjustments for Work In Progress [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DueToLowerOfCostOrMarketAdjustmentsForWorkInProgressGoodsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Due To Lower Of Cost Or Market Adjustments For Work In Progress Goods [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DueToLowerOfCostOrMarketAdjustmentsForWorkInProgressGoodsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Due to lower of cost or market adjustments for work in progress goods.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PropertyPlantAndEquipmentEstimatedUsefulLifes_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property and Equipment, Estimated Useful Lives</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PropertyPlantAndEquipmentEstimatedUsefulLifes_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property Plant And Equipment Estimated Useful Lifes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PropertyPlantAndEquipmentEstimatedUsefulLifes_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Property plant and equipment estimated useful lifes.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Measurement Input Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock option vesting</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statistical Measurement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Operating Activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash used in operating activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net cash used in operating activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ClassOfWarrantOrRighstExpirationDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrant Expiration Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ClassOfWarrantOrRighstExpirationDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Righst Expiration Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ClassOfWarrantOrRighstExpirationDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Class of warrant or righst expiration date.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionAmountsOfTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction, Amounts of Transaction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionAmountsOfTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contribution made</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss from operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_TrancheTwoWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Tranche 2 Warrant</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_TrancheTwoWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trance 2 Warrant</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_TrancheTwoWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tranche Two Warrant [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_TrancheTwoWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tranche two warrant.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Period End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Period End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statistical Measurement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable, Allowance for Credit Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reserve for accounts receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments and Contingencies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholders' Equity Note [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeasePayments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Payments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeasePayments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Monthly lease payments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeasePayments_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Operating cash flows from operating leases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net (loss) income per share - diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net (loss) income, diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Earnings Per Share, Diluted, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NoncurrentResearchAndDevelopmentSoftware_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Noncurrent accrued R&amp;D software</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NoncurrentResearchAndDevelopmentSoftware_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Noncurrent Research And Development Software</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NoncurrentResearchAndDevelopmentSoftware_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Noncurrent research and development software.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IssuanceOfCommonStockForStemCellsToBeUsedInResearchAndDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of common stock for stem-cells to be used in research and development</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IssuanceOfCommonStockForStemCellsToBeUsedInResearchAndDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance of Common Stock for Stem-cells to Be Used in Research and Development</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IssuanceOfCommonStockForStemCellsToBeUsedInResearchAndDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Issuance of common stock for stem-cells to be used in research and development.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfIntangibleAssetsNetTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of intangible assets net.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfIntangibleAssetsNetTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Intangible Assets Net Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfIntangibleAssetsNetTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Intangible Assets, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductsAndServicesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Product and Service [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductsAndServicesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Product and Service</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseRoyaltyAndOtherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">License, Royalty And Other.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseRoyaltyAndOtherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">License Royalty And Other [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseRoyaltyAndOtherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">License, Royalty and Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfSalesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cost of Sales [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfSalesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cost of Revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Operating Loss Carryforwards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net operating loss carryforwards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Deferred Tax Assets, Operating Loss Carryforwards, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unrecognized tax benefits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance ending</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance beginning</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Benchmark [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration Risk Benchmark</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument payment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Payment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument payment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PercentageOfBeneficialOwnershipLimitation_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of beneficial ownership limitation.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PercentageOfBeneficialOwnershipLimitation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Beneficial Ownership Limitation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PercentageOfBeneficialOwnershipLimitation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of beneficial ownership limitation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Research and development tax credits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue from Contract with Customer [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseAndDistributionAgreementsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">License And Distribution Agreements [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseAndDistributionAgreementsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">License And Distribution Agreements [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantLiabilityPrivateInvestmentInPublicEquityWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrant liability - May 2022 PIPE Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantLiabilityPrivateInvestmentInPublicEquityWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrant Liability Private Investment In Public Equity Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantLiabilityPrivateInvestmentInPublicEquityWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Warrant liability Private Investment Public Equity warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument, Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShorttermDebtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt, Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShorttermDebtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term debt, fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShorttermDebtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Short-term debt - Yorkville</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Hierarchy and NAV [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Hierarchy and NAV</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LeasesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Leases [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LeasesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Leases [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LeasesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Leases.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InitialLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Initial Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InitialLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Initial Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InitialLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Initial loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Options, Exercisable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_GXSponsorWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">GX sponsor warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_GXSponsorWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">G X Sponsor Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_GXSponsorWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">GX Sponsor Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party Transaction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ImpactOfAdoptionOfASC842TableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impact of Adoption of ASC 842</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ImpactOfAdoptionOfASC842TableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impact Of Adoption Of A S C842 Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ImpactOfAdoptionOfASC842TableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Impact of adoption of ASC 842.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InstrumentSpecificCreditRiskIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Instrument specific credit risk income.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InstrumentSpecificCreditRiskIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Instrument Specific Credit Risk Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InstrumentSpecificCreditRiskIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Instrument-specific credit risk income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValuesOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value of common stock.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValuesOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Values Of Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValuesOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NumeratorEarningsAllocableToCommonStockSubjectToPossibleRedemptionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Numerator:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NumeratorEarningsAllocableToCommonStockSubjectToPossibleRedemptionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Numerator Earnings Allocable To Common Stock Subject To Possible Redemption [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NumeratorEarningsAllocableToCommonStockSubjectToPossibleRedemptionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Numerator: Earnings allocable to Common stock subject to possible redemption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Inventory</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PercentageOfCouponRate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Coupon rate is the rate of interest paid by bond issuers on the bond&#8217;s face value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PercentageOfCouponRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Coupon Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PercentageOfCouponRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Coupon rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AdditionalLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AdditionalLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AdditionalLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Additional loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfStockBasedCompensationExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule Of Stock Based Compensation Expense Abstract</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfStockBasedCompensationExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Stock Based Compensation Expense [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_UpfrontFee_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Upfront fee.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_UpfrontFee_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Upfront Fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_UpfrontFee_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Upfront fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantsPerSharePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Warrants per share, percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantsPerSharePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants Per Share Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantsPerSharePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants per share, percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Major Class Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finite-Lived Intangible Assets, Major Class Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MarchTwoThousandTwentyThreeLoanWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">March 2023 Loan Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MarchTwoThousandTwentyThreeLoanWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">March Two Thousand Twenty Three Loan Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MarchTwoThousandTwentyThreeLoanWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">March two thousand twenty three loan warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Exercise of stock options (in Shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Options exercised, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Options Exercised</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InventoryReserveCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance at end</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InventoryReserveCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance at beginning</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InventoryReserveCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Inventory reserve current and noncurrent.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InventoryReserveCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory Reserve Current And Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InventoryReserveCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less: inventory reserves</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AwardsWithPerformanceConditionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Awards with Performance Conditions Member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AwardsWithPerformanceConditionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Awards with Performance Conditions Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AwardsWithPerformanceConditionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Awards With Performance Conditions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AreaOfBuilding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Area of building</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AreaOfBuilding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Area Of Building</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AreaOfBuilding_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Area of building.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IndefiniteLivedIntangibleAssetsAmortizationMethod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Indefinite lived intangible assets amortization method.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IndefiniteLivedIntangibleAssetsAmortizationMethod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Indefinite Lived Intangible Assets Amortization Method</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IndefiniteLivedIntangibleAssetsAmortizationMethod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Estimated Useful Lives</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MarchTwoThousandTwentyThreePrivateInvestmentInPublicEquityWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">March 2023 PIPE Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MarchTwoThousandTwentyThreePrivateInvestmentInPublicEquityWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">March Two Thousand Twenty Three Private Investment In Public Equity Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MarchTwoThousandTwentyThreePrivateInvestmentInPublicEquityWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">March two thousand twenty three private investment in public equity warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ProceedsFromTheSaleOfCommonStockInAtmOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds From The Sale Of Common Stock In ATM Offering</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ProceedsFromTheSaleOfCommonStockInAtmOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From The Sale Of Common Stock In ATM Offering</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ProceedsFromTheSaleOfCommonStockInAtmOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Proceeds from the sale of common stock in ATM offering</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PrePaidAdvanceIssuedDiscountPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Pre-paid advance issued discount percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PrePaidAdvanceIssuedDiscountPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Pre-Paid Advance Issued Discount Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PrePaidAdvanceIssuedDiscountPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pre-paid advance issued discount percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfBasicAndDilutedNetIncomeLossPerOrdinaryShareAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of basic and diluted net income (loss) per ordinary share [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfBasicAndDilutedNetIncomeLossPerOrdinaryShareAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Basic And Diluted Net Income Loss Per Ordinary Share [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_TrancheOneWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tranche 1 Warrant</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_TrancheOneWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tranche One Warrant [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_TrancheOneWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tranche one warrant.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Postal Zip Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, Postal Zip Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Interactive Data Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Interactive Data Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrivatePlacementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Private Placement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrivatePlacementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Private Placement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantLiabilityAssumedAtClosingDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Warrant liability assumed at closing date.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantLiabilityAssumedAtClosingDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrant Liability Assumed At Closing Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantLiabilityAssumedAtClosingDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrant liability assumed at Closing Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Accounts Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Increase (Decrease) in Accounts Payable, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DueToLowerOfCostOrMarketAdjustmentsForFinishedGoodsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Due to Lower of Cost or Market Adjustments for Finished Goods [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DueToLowerOfCostOrMarketAdjustmentsForFinishedGoodsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Due To Lower Of Cost Or Market Adjustments For Finished Goods [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DueToLowerOfCostOrMarketAdjustmentsForFinishedGoodsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Due to lower of cost or market adjustments for finished goods.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2026</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year Three</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Credit Facility [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RestatementAdjustmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revision of Prior Period, Adjustment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentPerDiemInterestAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Diem interest payment for each day</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentPerDiemInterestAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Per Diem Interest Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentPerDiemInterestAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument per diem interest amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, Undiscounted Excess Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less imputed interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of Shares Granted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PipeWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">PIPE warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PipeWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">PIPE Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PipeWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">PIPE Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireInProcessResearchAndDevelopment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Purchase of acquired in-process research and development</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireInProcessResearchAndDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire in Process Research and Development</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityWellKnownSeasonedIssuer_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Well-known Seasoned Issuer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityWellKnownSeasonedIssuer_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Well-known Seasoned Issuer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OperatingLossCarryforwardsExpirationYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Operating loss carryforwards expiration year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OperatingLossCarryforwardsExpirationYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Loss Carryforwards Expiration Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OperatingLossCarryforwardsExpirationYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating loss carryforwards expiration year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RestatementAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revision of Prior Period [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Exercise price of options</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Exercise Price, Exercised</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Incorporation, State or Country Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Incorporation, State or Country Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and Cash Equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Components [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity Components</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Accounts Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Accounts receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentRedemptionPremium_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument redemption premium</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentRedemptionPremium_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Redemption Premium</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentRedemptionPremium_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument redemption premium.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DeferredTaxAssetsUnicap_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred tax assets unicap.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DeferredTaxAssetsUnicap_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets Unicap</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DeferredTaxAssetsUnicap_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unicap</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Businesses, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash consideration paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AcquiredProductRights_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of acquired IPR&amp;D product rights.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AcquiredProductRights_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Acquired Product Rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AcquiredProductRights_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquired IPR&amp;D product rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DeferredTaxAssetsImputedInterestOnContingentPayments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred tax assets imputed interest on contingent payments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DeferredTaxAssetsImputedInterestOnContingentPayments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets Imputed Interest On Contingent Payments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DeferredTaxAssetsImputedInterestOnContingentPayments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Imputed interest on contingent payments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RegisteredDirectOfferingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Registered Direct Offering</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RegisteredDirectOfferingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Registered Direct Offering [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RegisteredDirectOfferingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Registered direct offering.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MsHaririMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ms. Hariri</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MsHaririMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ms Hariri [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MsHaririMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ms Hariri.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Grant Date Fair Value, Released</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LocalPhoneNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Local Phone Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LocalPhoneNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Local Phone Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property Plant And Equipment [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentPaymentPartialPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument payment partial payment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentPaymentPartialPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Payment Partial Payment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentPaymentPartialPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument payment partial payment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale of Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Exercise Price, Exercisable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionConvertedInstrumentSharesIssued1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Conversion, Converted Instrument, Shares Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionConvertedInstrumentSharesIssued1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt conversion, number of shares issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ConcentrationsOfCreditRiskAndSignificantCustomersPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentrations of Credit Risk and Significant Customers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ConcentrationsOfCreditRiskAndSignificantCustomersPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentrations Of Credit Risk And Significant Customers [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ConcentrationsOfCreditRiskAndSignificantCustomersPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Concentrations of credit risk and significant customers.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Federal Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Federal</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Research Tax Credit Carryforward [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Research and Development</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PercentageOfBaseSalary_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of base salary</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PercentageOfBaseSalary_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Base Salary</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PercentageOfBaseSalary_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of base salary.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Vesting of restricted stock units, in shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance at end of year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance at beginning of year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Goodwill, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Other Accounts Payable and Accrued Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued expenses and other liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtConversionOriginalDebtAccruedInterestAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt conversion, original debt, accrued interest amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtConversionOriginalDebtAccruedInterestAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Conversion Original Debt Accrued Interest Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtConversionOriginalDebtAccruedInterestAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt conversion, accrued interest amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Cash Flows [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomePolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Comprehensive Income, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomePolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Comprehensive Income (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Repurchased and Retired During Period, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchase and retirement of common shares, in shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxAuthorityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Authority [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxAuthorityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Tax Authority</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Accumulated Other Comprehensive Income (Loss), Net of Tax, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accumulated Other Comprehensive Income (Loss), Net of Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated other comprehensive income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property and Equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting Information [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment Reporting Information [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GrossProfit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gross Profit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GrossProfit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross profit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GrossProfit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Gross Profit, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CTHBiosourcingLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">CTH Biosourcing LLC.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CTHBiosourcingLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">C T H Biosourcing L L C [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CTHBiosourcingLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CTH</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Benchmark [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration Risk Benchmark</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentAnnualReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Annual Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentAnnualReport_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Annual Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AmendedEmploymentAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amended Employment Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AmendedEmploymentAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amended Employment Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AmendedEmploymentAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amended employment agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common stock, par value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Par or Stated Value Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, par value (in Dollars per share)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleLeasebackTransactionHistoricalCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale Leaseback Transaction, Historical Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleLeasebackTransactionHistoricalCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale leaseback transaction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServiceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Service [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Maximum Amount Outstanding During Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum advance amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_BaseRentalPayments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Base rental payments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_BaseRentalPayments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Base rental payments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DeferredTaxAssetsCapitalizedResearchAndDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred tax assets capitalized research and development.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DeferredTaxAssetsCapitalizedResearchAndDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets Capitalized Research And Development</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DeferredTaxAssetsCapitalizedResearchAndDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Capitalized research and development</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RepaymentsOfShortTermDebtIncludingAccruedInterestAndExitFee_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Repayments of short term debt including accrued interest and exit fee.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RepaymentsOfShortTermDebtIncludingAccruedInterestAndExitFee_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments Of Short Term Debt Including Accrued Interest And Exit Fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RepaymentsOfShortTermDebtIncludingAccruedInterestAndExitFee_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repayments of short term debt including accrued interest and exit fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cumulative Effect, Period of Adoption [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Estimated weighted-average amortization period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Lived Tangible Asset [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-Lived Tangible Asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Contract Term, Vested and expected to vest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockIssuedDuringPeriodValueReclassificationOfPreviouslyExercisedStockOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reclassification of previously exercised stock options</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockIssuedDuringPeriodValueReclassificationOfPreviouslyExercisedStockOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Value Reclassification Of Previously Exercised Stock Options</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockIssuedDuringPeriodValueReclassificationOfPreviouslyExercisedStockOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock issued during period value reclassification of previously exercised stock options</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maximum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Maximum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Vesting description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfPrivatePlacement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from PIPE financings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfPrivatePlacement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Private Placement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfPrivatePlacement_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Aggregate purchase price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MinimumBidPriceRequirementCompliancePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Minimum bid price requirement compliance period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MinimumBidPriceRequirementCompliancePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum Bid Price Requirement Compliance Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MinimumBidPriceRequirementCompliancePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum bid price requirement compliance period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfSalesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cost of Goods and Service [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfSalesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cost of Revenues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AtmRelatedCostsIncludedInAccountsPayableAndAccruedExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">ATM Related Costs Included In Accounts Payable And Accrued Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AtmRelatedCostsIncludedInAccountsPayableAndAccruedExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">ATM Related Costs Included In Accounts Payable And Accrued Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquitySharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, Shares Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquitySharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Temporary Equity, Balance (in Shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquitySharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Temporary Equity, Balance (in Shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquitySharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Redeemable convertible preferred stock, shares outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleThresholdTradingDays_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Convertible, Threshold Trading Days</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleThresholdTradingDays_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of consecutive business days</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party Transaction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_BonusProgramEffectiveDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Bonus program effective date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_BonusProgramEffectiveDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Bonus Program Effective Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_BonusProgramEffectiveDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Bonus program effective date.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RedemptionPremiumPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Redemption premium percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RedemptionPremiumPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Redemption Premium Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RedemptionPremiumPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Redemption premium percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RelatedPartyTransactionsDetailsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Related Party Transactions (Details) [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RelatedPartyTransactionsDetailsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions Details [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RelatedPartyTransactionsDetailsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party Transactions Details [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AccruedComplianceFee_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Accrued compliance fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AccruedComplianceFee_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Compliance Fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AccruedComplianceFee_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accrued compliance fee.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Unrecognized Tax Benefits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PrivateInvestmentInPublicEquityFinancingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Private Investment in Public Equity Financing [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PrivateInvestmentInPublicEquityFinancingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Private Investment in Public Equity Financing [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PrivateInvestmentInPublicEquityFinancingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">PIPE Investors</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PrivateInvestmentInPublicEquityFinancingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Private Investment in Public Equity Financing</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 3 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 3</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DrRobertHaririMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dr. Robert Hariri</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DrRobertHaririMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dr Robert Hariri [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DrRobertHaririMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Dr Robert Hariri.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Recurring and Nonrecurring [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt, Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAdjustmentOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Adjustment of Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAdjustmentOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in fair value of warrant liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAdjustmentOfWarrants_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Change in fair value of warrant liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAdjustmentOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Expense reduction in fair value of warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net decrease in cash, cash equivalents and restricted cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueAssetsLevelTwoToLevelOneTransfersAmountDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value, assets, level 2 to level 1 transfers, amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueAssetsLevelTwoToLevelOneTransfersAmountDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Assets Level Two To Level One Transfers Amount During Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueAssetsLevelTwoToLevelOneTransfersAmountDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value assets level two to level one transfers amount during period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PayablesAndAccrualsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payables and Accruals [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDefaultShorttermDebtAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Principal balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDefaultShorttermDebtAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Default, Short-Term Debt, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDefaultShorttermDebtAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term debt, unpaid principal balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ServiceAgreementTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Service agreement term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ServiceAgreementTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Service agreement term.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AtTheMarketSalesAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">At the Market Sales Agreement Member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AtTheMarketSalesAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">At the Market Sales Agreement Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AtTheMarketSalesAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ATM Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RobinLSmithMdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Robin L. Smith, MD.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RobinLSmithMdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Robin L. Smith, MD [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RobinLSmithMdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Robin L. Smith MD</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RemainingDuePercentageNetFortyFivePaymentTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Remaining due percentage, net forty-five payment term.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RemainingDuePercentageNetFortyFivePaymentTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Remaining Due Percentage Net Forty Five Payment Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RemainingDuePercentageNetFortyFivePaymentTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Remaining due percentage, net forty five payment term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantsLiabilitiesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrant Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantsLiabilitiesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Warrants liabilities policy text block.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantsLiabilitiesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants Liabilities [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average dilutive stock options</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Remaining stock options forfeited upon termination of the advisory agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of shares remaining stock options forfeited</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Options Forfeited/Expired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFinStmtErrorCorrectionFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Financial Statement Error Correction [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Antidilutive Securities Excluded from Computation of Diluted Weighted-average Shares of Common Stock Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InventoryImpairmentCharge_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Inventory impairment charge</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InventoryImpairmentCharge_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory Impairment Charge</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InventoryImpairmentCharge_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Inventory impairment charge.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment Information</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CityAreaCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">City Area Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CityAreaCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">City Area Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred State and Local Income Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">State</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Inventory</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Inventory, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash flow from operating activities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Information [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Information [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionBeforeTaxAfterReclassificationAdjustmentAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, before Tax, after Reclassification Adjustment, Attributable to Parent, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionBeforeTaxAfterReclassificationAdjustmentAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, before Tax, after Reclassification Adjustment, Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionBeforeTaxAfterReclassificationAdjustmentAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in fair value of debt due to change in credit risk, net of tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">RSUs one-time grant value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AmendedAndRestatedEmploymentAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amended and Restated Employment Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AmendedAndRestatedEmploymentAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amended and Restated Employment Agreement Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AmendedAndRestatedEmploymentAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amended and restated employment agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueOfWarrantsIssuedInConnectionWithSerieBPreferredStockSale_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of Fair value of warrants issued in connection with Series B preferred stock sale.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueOfWarrantsIssuedInConnectionWithSerieBPreferredStockSale_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Of Warrants Issued In Connection With Serie B Preferred Stock Sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueOfWarrantsIssuedInConnectionWithSerieBPreferredStockSale_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of warrants issued in connection with Series B preferred stock sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockVotingRights_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Voting Rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockVotingRights_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, voting Rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_NameOfMajorCustomerDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_NameOfMajorCustomerDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less: Accumulated depreciation and amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpensesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Selling, General and Administrative Expenses [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpensesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Selling, General and Administrative Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AnnualSalesNotExceed_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Annual Sales Not Exceed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AnnualSalesNotExceed_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Annual Sales Not Exceed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AnnualSalesNotExceed_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Annual sales not exceed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ForbearanceExtendMaturityPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Forbearance extend period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ForbearanceExtendMaturityPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Forbearance Extend Maturity Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ForbearanceExtendMaturityPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Forbearance extend maturity period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Weighted Average Number of Shares Outstanding, Basic, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average shares outstanding - basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Weighted average shares outstanding, basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantsOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantsOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantsOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Warrants outstanding.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ContingentStockConsiderationObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ContingentStockConsiderationObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ContingentStockConsiderationObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contingent Stock Consideration Obligation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ContingentStockConsiderationObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Contingent stock consideration obligation.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Financing Activities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash flow from financing activities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpensePolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Research and Development Expense, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpensePolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Research and Development Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MayTwoThousandTwentyThreePrivateInvestmentInPublicEquityWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">May 2023 PIPE Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MayTwoThousandTwentyThreePrivateInvestmentInPublicEquityWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">May Two Thousand Twenty Three Private Investment In Public Equity Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MayTwoThousandTwentyThreePrivateInvestmentInPublicEquityWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">May two thousand twenty three private investment in public equity warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Activity Related to RSU Stock-Based Payment Awards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AnnualMaintenanceFee_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Annual maintenance fee.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AnnualMaintenanceFee_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Annual Maintenance Fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AnnualMaintenanceFee_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Annual maintenance fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNoncashInvestingAndFinancingItemsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Noncash Investing and Financing Items [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNoncashInvestingAndFinancingItemsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Supplemental non-cash investing and financing activities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statement [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Option, Activity [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Stock Option Activity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContingentConsiderationTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contingent Consideration Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Weighted Average Grant Fair Value of Stock Options using Black-Scholes Option-pricing Model</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInContractWithCustomerLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInContractWithCustomerLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Contract with Customer, Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Period Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Fiscal Period Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total lease payments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReclassificationOfLegacyCelularityWarrantsToEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reclassification of Legacy Celularity Warrants to equity.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReclassificationOfLegacyCelularityWarrantsToEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reclassification Of Legacy Celularity Warrants To Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReclassificationOfLegacyCelularityWarrantsToEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reclassification of Legacy Celularity Warrants to equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party Transactions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_JulyTwoThousandTwentyThreeRegisteredDirectWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">July 2023 Registered Direct Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_JulyTwoThousandTwentyThreeRegisteredDirectWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">July Two Thousand Twenty Three Registered Direct Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_JulyTwoThousandTwentyThreeRegisteredDirectWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">July two thousand twenty three registered direct warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2025</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid, Year Two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedProfessionalFeesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Professional Fees, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedProfessionalFeesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued professional fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statement [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net (loss) income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The portion of profit or loss for the period, net of income tax, which is attributable to the parent.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionTermsAndMannerOfSettlement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction, Terms and Manner of Settlement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionTermsAndMannerOfSettlement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related party description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IncentivePayment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Incentive payment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IncentivePayment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Incentive Payment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IncentivePayment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Incentive payment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SecuritiesPurchaseAgreementDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities purchase agreement date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SecuritiesPurchaseAgreementDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securities Purchase Agreement Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SecuritiesPurchaseAgreementDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Securities purchase agreement date.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits, Decrease Resulting from Current Period Tax Positions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Decrease related to current year tax provisions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SecondNotePayment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Second note payment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SecondNotePayment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Second Note Payment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SecondNotePayment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Second note payment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Debt Instrument, Fair Value Disclosure, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Anti-dilutive securities excluded from computation of diluted weighted-average shares of common stock outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InventoryImpairment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Inventory impairment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InventoryImpairment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory impairment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InventoryImpairment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Inventory impairment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReclassificationOfOptionLiabilitiesToEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reclassification of option liabilities to equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReclassificationOfOptionLiabilitiesToEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reclassification Of Option Liabilities To Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReclassificationOfOptionLiabilitiesToEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reclassification of option liabilities to equity.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lease, Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total operating lease cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrant [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationDateOfIncorporation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Incorporation, Date of Incorporation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationDateOfIncorporation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Date of incorporation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockIssuedDuringPeriodSharesShortTermDebtMaturityExtension_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock issued pursuant to short-term debt maturity extension, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockIssuedDuringPeriodSharesShortTermDebtMaturityExtension_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, Short-term Debt Maturity Extension</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockIssuedDuringPeriodSharesShortTermDebtMaturityExtension_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock issued during period, shares, short-term debt maturity extension.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InventoryRawMaterialsCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Inventory raw materials current and noncurrent.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InventoryRawMaterialsCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory Raw Materials Current And Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InventoryRawMaterialsCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Raw materials</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MayTwoThousandTwentyTwoPrivateInvestmentinPublicEquityWarrantsAndAprilTwoThousandTwentyThreeRegisteredDirectWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">May 2022 PIPE Warrants and April 2023 Registered Direct Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MayTwoThousandTwentyTwoPrivateInvestmentinPublicEquityWarrantsAndAprilTwoThousandTwentyThreeRegisteredDirectWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">May Two Thousand Twenty Two Private InvestmentIn Public Equity Warrants and April Two Thousand Twenty Three Registered Direct Warrant [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MayTwoThousandTwentyTwoPrivateInvestmentinPublicEquityWarrantsAndAprilTwoThousandTwentyThreeRegisteredDirectWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">May Two Thousand Twenty Two Private InvestmentIn Public Equity Warrants and April Two Thousand Twenty Three Registered Direct Warrant.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MarchTwoThousandTwentyThreePrivateInvestmentInPublicEquityWarrantsModifiedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">March 2023 PIPE Warrants (modified)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MarchTwoThousandTwentyThreePrivateInvestmentInPublicEquityWarrantsModifiedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">March Two Thousand Twenty Three Private Investment in Public Equity Warrants, Modified [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MarchTwoThousandTwentyThreePrivateInvestmentInPublicEquityWarrantsModifiedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">March two thousand twenty three private investment in public equity warrants, modified.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Deferred Tax Assets and Liabilities [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Net Deferred Tax Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cumulative Effect, Period of Adoption [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MajorCustomersAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MajorCustomersAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SeriesBRedeemableConvertiblePreferredStocksMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series B redeemable convertible preferred stock.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SeriesBRedeemableConvertiblePreferredStocksMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series B Redeemable Convertible Preferred Stocks [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SeriesBRedeemableConvertiblePreferredStocksMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series B Redeemable Convertible Preferred Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LossContingencyDamagesSoughtValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liquidated damages amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LossContingencyDamagesSoughtValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loss Contingency, Damages Sought, Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DescriptionOfExercisePriceAndNumberOfSharesOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The description about exercise price and number of shares of common stock.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DescriptionOfExercisePriceAndNumberOfSharesOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Description Of Exercise Price And Number Of Shares Of Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DescriptionOfExercisePriceAndNumberOfSharesOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Description of exercise price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstandingMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Expiration date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstandingMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants and Rights Outstanding, Maturity Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstandingMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants and rights outstanding, expire date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, Par or Stated Value Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Redeemable convertible preferred stock, par value (in Dollars per share)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RelatedPartyPartTimeBaseSalary_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Related party part time base salary.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RelatedPartyPartTimeBaseSalary_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Part Time Base Salary</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RelatedPartyPartTimeBaseSalary_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Part time base salary</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents, at Carrying Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and cash equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Cash and Cash Equivalents, at Carrying Value, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SeriesBRedeemableConvertiblePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series B redeemable convertible preferred stock.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SeriesBRedeemableConvertiblePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series B Redeemable Convertible Preferred Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SeriesBRedeemableConvertiblePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series B Redeemable Convertible Preferred Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RestrictedCashPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Restricted cash.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RestrictedCashPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Restricted Cash Policy [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RestrictedCashPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted Cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Stock-based Compensation Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_UnitedStatesFederalAndStateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">United States federal and state.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_UnitedStatesFederalAndStateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">United States Federal And State [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_UnitedStatesFederalAndStateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">U.S. Federal and State</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputRiskFreeInterestRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Risk Free Interest Rate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputRiskFreeInterestRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Risk-Free Interest Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputRiskFreeInterestRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Measurement Input Risk Free Interest Rate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate Intrinsic Value, Exercisable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BuildingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Building [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BuildingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Building</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LLCAndAnthrogenesisMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">LLCAndAnthrogenesisMember</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LLCAndAnthrogenesisMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">L L C And Anthrogenesis [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LLCAndAnthrogenesisMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Anthrogenesis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Common Stock, Shares Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Entity Common Stock, Shares Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PrePaidAdvancePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Pre-paid advance period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PrePaidAdvancePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Pre Paid Advance Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PrePaidAdvancePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pre-paid advance period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PrePaidAdvanceAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Pre-paid advance agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PrePaidAdvanceAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Pre-Paid Advance Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PrePaidAdvanceAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pre Paid Advance Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities, Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Antidilutive Securities, Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SaleOfStockConsiderationCommitmentFeeInShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitment fee in shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SaleOfStockConsiderationCommitmentFeeInShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock, Consideration Commitment Fee in Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SaleOfStockConsiderationCommitmentFeeInShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sale of stock, consideration commitment fee in shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentInterestRateEffectivePercentageInEventOfDefault_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument, interest rate, effective percentage in event of default</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentInterestRateEffectivePercentageInEventOfDefault_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Interest Rate, Effective Percentage in Event of Default</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentInterestRateEffectivePercentageInEventOfDefault_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument, interest rate, effective percentage in event of default.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_TwoThousandAndSeventeenEquityIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Two thousand and seventeen equity incentive plan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_TwoThousandAndSeventeenEquityIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Two Thousand And Seventeen Equity Incentive Plan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_TwoThousandAndSeventeenEquityIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2017 Plan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SupplyAndDistributionAgreementForecastDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Supply and distribution agreement, forecast description.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SupplyAndDistributionAgreementForecastDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supply And Distribution Agreement Forecast Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SupplyAndDistributionAgreementForecastDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Supply and distribution agreement, forecast description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, Conversion of Convertible Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock issued pursuant to short-term debt conversion</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CommercialMilestonePayments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Commercial milestone payments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CommercialMilestonePayments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commercial Milestone Payments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CommercialMilestonePayments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commercial milestone payments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CryoportSystemsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cryoport Systems, Inc [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CryoportSystemsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cryoport Systems Inc [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CryoportSystemsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cryoport Systems, Inc</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CoverAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cover</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CoverAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cover [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Selling, General and Administrative Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Selling, general and administrative</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Selling, General and Administrative Expense, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RwiForbearanceAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">RWI Forbearance Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RwiForbearanceAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">RWI Forbearance Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RwiForbearanceAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">RWI forbearance agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VestingAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Vesting [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VestingAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Vesting</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Income Tax Expense (Benefit), Continuing Operations [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current income tax expense :</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Year Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Fiscal Year Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OperatingIncomeCostsAndExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Operating income costs and expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OperatingIncomeCostsAndExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Income Costs And Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OperatingIncomeCostsAndExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total operating expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value, assets, transfers out of level 3, amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-Term Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt assumed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued interest or penalties related to uncertain tax positions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentAmountRequiredForPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amount required for payment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentAmountRequiredForPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Amount Required for Payment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentAmountRequiredForPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument amount required for payment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForLegalSettlements_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Settlement payment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForLegalSettlements_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments for Legal Settlements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Taxes Paid, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash paid for income taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Income Taxes Paid, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_UnrecognizedExpenseRelatedToPerformanceAwards_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Unrecognized expense related to performance awards.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_UnrecognizedExpenseRelatedToPerformanceAwards_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Expense Related To Performance Awards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_UnrecognizedExpenseRelatedToPerformanceAwards_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unrecognized expense related to performance awards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale of Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Grant date fair value of units granted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Grant Date Fair Value, Granted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SeriesARedeemableConvertiblePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series A redeemable convertible preferred stock.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SeriesARedeemableConvertiblePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series A Redeemable Convertible Preferred Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SeriesARedeemableConvertiblePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series A Redeemable Convertible Preferred Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_SecurityExchangeName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Security Exchange Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_SecurityExchangeName_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Security Exchange Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock option, expiration period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Other comprehensive income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PaymentSubscriptionPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payment subscription period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PaymentSubscriptionPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payment Subscription Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PaymentSubscriptionPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payment subscription period</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Shares Authorized</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ConsultingAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Consulting agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ConsultingAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consulting Agreement [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ClosingBidPricePerShareOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Closing bid price per share of common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CustomerRelationshipsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer Relationships [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CustomerRelationshipsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer Relationships</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseFeesPaymentPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">License fees payment period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseFeesPaymentPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">License Fees Payment Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseFeesPaymentPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">License fees payment period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Finite-Lived Intangible Assets [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Finite Lived Intangible Assets [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SanuwaveLicenseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sanuwave license agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SanuwaveLicenseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sanuwave License Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SanuwaveLicenseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sanuwave License Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property and equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Property, Plant and Equipment, Gross, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Property, Plant and Equipment, Gross, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Property, Plant and Equipment, Gross, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Vested options to acquire shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Vested options to acquire shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current State and Local Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">State</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfRevenueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cost of Revenue [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfRevenueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cost of revenues (excluding amortization of acquired intangible assets)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MarketingAndAdvertisingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Marketing and Advertising Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MarketingAndAdvertisingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advertising and Marketing Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MarketingAndAdvertisingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Marketing and Advertising Expense, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Exercise Price, Forfeited/Expired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition, Acquiree [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business Acquisition, Acquiree</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NumberOfClinicalTrials_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of clinical trials.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NumberOfClinicalTrials_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Clinical Trials</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NumberOfClinicalTrials_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of clinical trials</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstandingTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants and Rights Outstanding, Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstandingTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Term (years)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, Stock Options Exercised</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Exercise of stock options</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Options exercised, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Emerging Growth Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Emerging Growth Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NonqualifiedStockOptionToPurchaseSharesOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Nonqualified stock option to purchase shares of common stock.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NonqualifiedStockOptionToPurchaseSharesOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Nonqualified Stock Option To Purchase Shares Of Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NonqualifiedStockOptionToPurchaseSharesOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Nonqualified stock option to purchase shares of common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate intrinsic value, stock option exercised</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amendment Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amendment Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Inventory, net of current portion</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Inventory, Noncurrent, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseFeeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">License fee expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseFeeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">License Fee Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseFeeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">License fee expense.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Vesting of restricted stock units</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, Restricted Stock Award, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxCreditCarryforwardAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tax Credit Carryforward, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxCreditCarryforwardAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax credit carryforwards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseAndDistributionAgreementsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">License and distribution agreements.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseAndDistributionAgreementsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">License And Distribution Agreements [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseAndDistributionAgreementsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">License And Distribution Agreements [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RecognitionOfAssetAndFinancingObligationRelatedToFacilityBuildOut_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Recognition of asset and financing obligation related to facility build out.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RecognitionOfAssetAndFinancingObligationRelatedToFacilityBuildOut_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Recognition Of Asset And Financing Obligation Related To Facility Build Out</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RecognitionOfAssetAndFinancingObligationRelatedToFacilityBuildOut_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recognition of asset and financing obligation related to facility build out</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ChiefAdministrativeOfficerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Chief Administrative Officer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ChiefAdministrativeOfficerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Chief Administrative Officer [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ChiefAdministrativeOfficerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Chief administrative officer.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DeferredTaxLiabilitiesInProcessResearchAndDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred tax liabilities in-process research and development.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DeferredTaxLiabilitiesInProcessResearchAndDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities In Process Research And Development</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DeferredTaxLiabilitiesInProcessResearchAndDevelopment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">In-process research and development</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ExitOrDisposalCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Exit or disposal costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ExitOrDisposalCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Exit or Disposal Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ExitOrDisposalCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Exit or disposal costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfAdoptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfAdoptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounting Standards Update</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares, Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate number of shares issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Number of shares issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RecentlyAdoptedAccountingPronouncementsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disclosure of accounting policy pertaining to new accounting pronouncements that may impact the entity's financial reporting. Includes, but is not limited to, quantification of the expected or actual impact.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RecentlyAdoptedAccountingPronouncementsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Recently Adopted Accounting Pronouncements Policy [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RecentlyAdoptedAccountingPronouncementsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recently Adopted Accounting Pronouncements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Aggregate Amortization Expense Related to Intangible Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PercentageOfSharesRequiredForVoting_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of shares required for voting.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PercentageOfSharesRequiredForVoting_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Shares Required For Voting</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PercentageOfSharesRequiredForVoting_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of shares required for voting</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Proceeds from Lines of Credit, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Lines of Credit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from pre-paid advance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SaleOfBiomaterialProductsAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale of biomaterial products amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SaleOfBiomaterialProductsAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of biomaterial products Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SaleOfBiomaterialProductsAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sale of biomaterial products amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeasesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Leases [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RecapitalizationNetOfRedemptionsEquityIssuanceCostsAndMergerCostsAdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Recapitalization net of redemptions, equity issuance costs and merger costs additional paid in capital.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RecapitalizationNetOfRedemptionsEquityIssuanceCostsAndMergerCostsAdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Recapitalization Net Of Redemptions Equity Issuance Costs And Merger Costs Additional Paid In Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RecapitalizationNetOfRedemptionsEquityIssuanceCostsAndMergerCostsAdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recapitalization from GX Acquisition Corp. merger, net of redemptions, equity issuance costs and merger costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockIssuedDuringPeriodSharesWarrantsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Shares Warrants Exercised</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockIssuedDuringPeriodSharesWarrantsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock issued during period shares warrants exercised.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockIssuedDuringPeriodSharesWarrantsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Exercise of warrants, in shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity File Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity File Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SaleOfStockMaximumAverageDailyTradedAmountPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale of stock, maximum average daily traded amount (in percent)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SaleOfStockMaximumAverageDailyTradedAmountPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale Of Stock, Maximum Average Daily Traded Amount, Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SaleOfStockMaximumAverageDailyTradedAmountPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sale of stock, maximum average daily traded amount, percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total deferred tax assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NonAmortizedIntangibleAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Non Amortized Intangible Assets Abstract</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NonAmortizedIntangibleAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non Amortized Intangible Assets [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NonAmortizedIntangibleAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-amortized intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ExpenseRelatedToPerformanceAwards_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Expense related to the performance awards.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ExpenseRelatedToPerformanceAwards_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Expense Related To Performance Awards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ExpenseRelatedToPerformanceAwards_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expense related to performance awards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill and Intangible Assets Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_BiobankingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Biobanking</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_BiobankingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Biobanking [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_BiobankingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Biobanking</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReducedExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reduced exercise price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReducedExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reduced Exercise Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReducedExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reduced exercise price.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Cash, cash equivalents and restricted cash at end of year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Cash, cash equivalents and restricted cash at beginning of year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_TwoThousandAndTwentyOneAndTwoThousandAndSeventeenEquityIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Two thousand and twenty one and two thousand and seventeen equity incentive plan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_TwoThousandAndTwentyOneAndTwoThousandAndSeventeenEquityIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Two Thousand And Twenty One And Two Thousand And Seventeen Equity Incentive Plan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_TwoThousandAndTwentyOneAndTwoThousandAndSeventeenEquityIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2021 Plan and 2017 Plan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfFinancialInformationBySegmentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of financial information by segment [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfFinancialInformationBySegmentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Financial Information By Segment [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstandingMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants and Rights Outstanding, Measurement Input</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstandingMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants input</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ProceedsFromIssuanceOfWarrant_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt).</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ProceedsFromIssuanceOfWarrant_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Issuance Of Warrant</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ProceedsFromIssuanceOfWarrant_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of warrant at fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentAccruedInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument accrued interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentAccruedInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Accrued Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentAccruedInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument accrued interest.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Payable, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Accounts Payable, Current, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ProceedsFromIssuanceOfPrivatePlacementNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net related cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ProceedsFromIssuanceOfPrivatePlacementNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Issuance Of Private Placement Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ProceedsFromIssuanceOfPrivatePlacementNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds from issuance of private placement, net.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Weighted Average Grant Date Fair Value, beginning balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Weighted Average Grant Date Fair Value, ending balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InventoryReserveForObsolescenceAdditions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additions for obsolete inventory</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InventoryReserveForObsolescenceAdditions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory Reserve for Obsolescence Additions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InventoryReserveForObsolescenceAdditions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Inventory reserve for obsolescence additions.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Valuation Allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Valuation allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentPeriodicPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Debt Instrument, Periodic Payment, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentPeriodicPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Periodic Payment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentPeriodicPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amount of monthly repayment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfConvertibleNoteValuationModelTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of convertible note valuation model.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfConvertibleNoteValuationModelTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Convertible Note Valuation Model Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfConvertibleNoteValuationModelTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Convertible Note Valuation Model</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedBenefitPlanTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Defined Benefit Plan [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedBenefitPlanTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Benefit Plan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorLocation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Auditor Location</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorLocation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Auditor Location</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesAndOtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Accrued expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesAndOtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Liabilities and Other Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesAndOtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued expenses and other current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Expected term (in years)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityReverseStockSplit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reverse stock split description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityReverseStockSplit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholders' Equity, Reverse Stock Split</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Goodwill and Intangible Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock, $0.0001 par value, 10,000,000 shares authorized, none issued and outstanding at December 31, 2023 and December 31, 2022</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Value, Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OptionFeeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Option fee included in research and development expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OptionFeeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Option Fee Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OptionFeeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Option Fee Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ArthrexAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Arthrex agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ArthrexAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Arthrex Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ArthrexAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Arthrex Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntitySmallBusiness_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Small Business</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntitySmallBusiness_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Small Business</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityShellCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Shell Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityShellCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Shell Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Operating Segments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of operating segment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Number of operating segments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_TitleOfIndividualAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Title of Individual [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Exercise price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Exercise per share price (in Dollars per share)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Exercise Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SettlementAndReleaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Settlement and Release Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SettlementAndReleaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Settlement and Release Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SettlementAndReleaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Settlement and release agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CommercialLicenseToDentalProductsAgreementRenewalTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Commercial license to dental products agreement renewal term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CommercialLicenseToDentalProductsAgreementRenewalTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commercial License To Dental Products Agreement Renewal Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CommercialLicenseToDentalProductsAgreementRenewalTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Commercial license to dental products agreement renewal term.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CustomerTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Customer two.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CustomerTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CustomerTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Another customer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CustomerTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Two Customer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CellTherapyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cell Therapy</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CellTherapyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cell Therapy [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CellTherapyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cell Therapy</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Warrant or Right</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax withholding on vesting of restricted stock units, in shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConversionOfStockAmountIssued1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Conversion of Stock, Amount Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConversionOfStockAmountIssued1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock issued for short-term debt conversion</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OneCustomerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">One customer.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OneCustomerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">One Customer [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OneCustomerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">One Customer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessExitCosts1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Exit or disposal costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessExitCosts1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Exit Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComputerEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Computer Equipment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComputerEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Computer Equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenuesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenues [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenuesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net revenues:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TrademarksAndTradeNamesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Trademarks and Trade Names [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TrademarksAndTradeNamesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trade Names &amp; Trademarks</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockAndWarrantIssuedDuringPeriodValuePreferredStockAndWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Value of preferred stock and warrants for common stock issued.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockAndWarrantIssuedDuringPeriodValuePreferredStockAndWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock And Warrant Issued During Period Value Preferred Stock And Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockAndWarrantIssuedDuringPeriodValuePreferredStockAndWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of warrants issued in connection with Series B preferred stock sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Address Line One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, Address Line One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SalesRevenueNetMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue Benchmark [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SalesRevenueNetMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SecondTrancheMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Second tranche.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SecondTrancheMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Second Tranche [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SecondTrancheMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Second Tranche</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents, Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash equivalents - money market funds</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OperatingLeasesRentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rent expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OperatingLeasesRentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Leases Rent Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OperatingLeasesRentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Operating leases, rent expense.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ContingentStockConsideration_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contingent stock consideration</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ContingentStockConsideration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contingent Stock Consideration</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ContingentStockConsideration_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Contingent stock consideration.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionAfterTaxAndReclassificationAdjustmentAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, after Tax and Reclassification Adjustment, Attributable to Parent, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionAfterTaxAndReclassificationAdjustmentAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, after Tax and Reclassification Adjustment, Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionAfterTaxAndReclassificationAdjustmentAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in fair value of debt due to change in credit risk, net of tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Antidilutive Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DiscountPercentagePaymentForInvoicesWithinTenDays_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Discount percentage, payment for Invoices within ten days.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DiscountPercentagePaymentForInvoicesWithinTenDays_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Discount Percentage Payment For Invoices Within Ten Days</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DiscountPercentagePaymentForInvoicesWithinTenDays_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Discount percentage, payment for invoices within ten days</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RequiredMonthlyPaymentIfDailyVolumeWeightedAveragePriceIsBelowStatedPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Required monthly payment if daily volume weighted average price is below stated price.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RequiredMonthlyPaymentIfDailyVolumeWeightedAveragePriceIsBelowStatedPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Required Monthly Payment if Daily Volume Weighted Average Price is Below Stated Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RequiredMonthlyPaymentIfDailyVolumeWeightedAveragePriceIsBelowStatedPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Required monthly payment if daily volume weighted average price is below $0.75 for any five of seven trading days</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputPriceVolatilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Price Volatility [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputPriceVolatilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Volatility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputPriceVolatilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Measurement Input Price Volatility [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortizable intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Finite-Lived Intangible Assets, Gross, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueOfFinancialAssetsAndLiabilitiesTablesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair Value of Financial Assets and Liabilities (Tables) [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueOfFinancialAssetsAndLiabilitiesTablesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Of Financial Assets And Liabilities Tables [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FairValueOfFinancialAssetsAndLiabilitiesTablesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Of Financial Assets And Liabilities Tables [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Interest Rate During Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsAndOtherReceivablesNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts receivable, net of allowance of $5,837 and $1,789 as of December 31, 2023 and December 31, 2022, respectively</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsAndOtherReceivablesNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts and Other Receivables, Net, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AmendedDragasacWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amended Dragasac warrant.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AmendedDragasacWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amended Dragasac Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AmendedDragasacWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amended Dragasac Warrant</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Statement Location [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Statement Location</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DegenerativeDiseaseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Degenerative Disease</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DegenerativeDiseaseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Degenerative Disease [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DegenerativeDiseaseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Degenerative Disease</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Variable Lease, Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Variable lease cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentPartialPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument, partial payment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentPartialPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Partial Payment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentPartialPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Partial payment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Impairment charge</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impairment of acquired intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReacquiredRightsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reacquired rights.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReacquiredRightsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reacquired Rights [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReacquiredRightsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reacquired Rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ContractedStoragePeriods_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Contracted storage periods.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ContractedStoragePeriods_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contracted Storage Periods</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ContractedStoragePeriods_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contracted storage periods</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expected dividend yield</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Expected dividend yield</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SaleOfStockLowestDailyVolumeWeightedAveragePriceThresholdConsecutiveTradingDays_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale of stock, lowest daily volume-weighted average price, threshold consecutive trading days</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SaleOfStockLowestDailyVolumeWeightedAveragePriceThresholdConsecutiveTradingDays_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale Of Stock, Lowest Daily Volume-Weighted Average Price, Threshold Consecutive Trading Days</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SaleOfStockLowestDailyVolumeWeightedAveragePriceThresholdConsecutiveTradingDays_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sale of stock, lowest daily volume-weighted average price, threshold consecutive trading days.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net (loss) income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss), Including Portion Attributable to Noncontrolling Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net income (loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsDeferredIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Deferred Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsDeferredIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DiscountOnWarrantAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Discount on warrant</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DiscountOnWarrantAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Discount on Warrant Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DiscountOnWarrantAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Discount on warrant amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2028</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid, Year Five</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ValuationInputForShortTermDebtDiscountYield_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Valuation input for short-term debt discount yield.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ValuationInputForShortTermDebtDiscountYield_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Input For Short-term Debt Discount Yield</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ValuationInputForShortTermDebtDiscountYield_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Discount yield</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AcquisitionRelatedContingentConsiderationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquisition-related contingent consideration obligations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AcquisitionRelatedContingentConsiderationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Acquisition Related Contingent Consideration [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AcquisitionRelatedContingentConsiderationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Acquisition Related Contingent Consideration.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidInsurance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepaid Insurance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidInsurance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepaid insurance expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ShortTermDebtRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Short-term debt - related parties - C.V. Starr and RWI</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ShortTermDebtRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-term Debt Related Parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ShortTermDebtRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Short-term debt related parties.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityLenderDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Lender [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityLenderDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Line of Credit Facility, Lender</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 2 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 2</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProductMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Product Sales and Rentals</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProductMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Product sales</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProductMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Product [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ChairmanAndChiefExecutiveOfficerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Dr. Hariri</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ChairmanAndChiefExecutiveOfficerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Chairman and Chief Executive Officer.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ChairmanAndChiefExecutiveOfficerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Chairman and Chief Executive Officer [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ChairmanAndChiefExecutiveOfficerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Chairman and Chief Executive Officer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchase price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Closing price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_lbl" xlink:role="http://www.xbrl.org/2003/role/label">APIC, Share-Based Payment Arrangement, Option, Increase for Cost Recognition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock-based compensation expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReductionToAdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Reduction to additional paid in capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReductionToAdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reduction To Additional Paid In Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReductionToAdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reduction to additional paid in capital.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepreciationDepletionAndAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Depreciation, Depletion and Amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepreciationDepletionAndAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Depreciation and amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepreciationDepletionAndAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Depreciation, Depletion and Amortization, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductOrServiceAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Product and Service [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductOrServiceAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Product and Service</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiabilityNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contract with Customer, Liability, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiabilityNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred revenue, net of current portion</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_EvolutionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Evolution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_EvolutionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Evolution [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_EvolutionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Evolution.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_Security12bTitle_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Title of 12(b) Security</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_Security12bTitle_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Title of 12(b) Security</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ConvertiblePromissoryNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible promissory note</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ConvertiblePromissoryNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Promissory Notes [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ConvertiblePromissoryNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible promissory notes.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ChangeInPIPESPACRelatedCostsCapturedInAccountsPayableAndAccruedExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Costs captured in accounts payable and accrued expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ChangeInPIPESPACRelatedCostsCapturedInAccountsPayableAndAccruedExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change In P I P E S P A C Related Costs Captured In Accounts Payable And Accrued Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ChangeInPIPESPACRelatedCostsCapturedInAccountsPayableAndAccruedExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Changes in PIPE/SPAC related costs in accounts payable and accrued expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Accumulated Amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less: Accumulated amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityCarryingAmountAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, Carrying Amount, Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityCarryingAmountAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Temporary Equity, Balance (in Shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityCarryingAmountAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Temporary Equity, Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityCarryingAmountAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Redeemable convertible preferred stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DescriptionOfOrganizationAndBusinessOperationsDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Description of Organization and Business Operations (Details) [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DescriptionOfOrganizationAndBusinessOperationsDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Description Of Organization And Business Operations Details [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DescriptionOfOrganizationAndBusinessOperationsDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Description Of Organization And Business Operations Details [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleReconciliationOfTheFederalIncomeTaxAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule reconciliation of the federal income tax [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleReconciliationOfTheFederalIncomeTaxAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Reconciliation Of The Federal Income Tax [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IincreasedNotePayments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increased total note payments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IincreasedNotePayments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Iincreased Note Payments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IincreasedNotePayments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Iincreased note payments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SeriesARedeemableConvertiblePreferredStocksMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series A redeemable convertible preferred stock.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SeriesARedeemableConvertiblePreferredStocksMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series A Redeemable Convertible Preferred Stocks [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SeriesARedeemableConvertiblePreferredStocksMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series A Redeemable Convertible Preferred Stocks</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InventoryGrossCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Inventory, gross current and noncurrent.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InventoryGrossCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory Gross Current And Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InventoryGrossCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Inventory, gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseFeePayment_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">License fee payment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseFeePayment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">License Fee Payment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicenseFeePayment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">License fee payment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_JuneTwoThousandTwentyThreeLoanWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">June 2023 Loan Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_JuneTwoThousandTwentyThreeLoanWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">June Two Thousand Twenty Three Loan Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_JuneTwoThousandTwentyThreeLoanWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">June two thousand twenty three loan warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounting Standards Update</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CariCordIncorporatedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">CariCord incorporated.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CariCordIncorporatedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cari Cord Incorporated [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CariCordIncorporatedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CariCord</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Nonoperating Income (Expense) [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other income (expense):</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Components of other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PercentageOfPremiumPrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of premium principal amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PercentageOfPremiumPrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Premium Principal Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PercentageOfPremiumPrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of premium principal amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_GXAcquisitionCorpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">GX Acquisition Corp [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_GXAcquisitionCorpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">G X Acquisition Corp [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_GXAcquisitionCorpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gx Acquisition Corp.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Investing Activities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash flow from investing activities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantLiabilityPublicWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Warrant liability Public Warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantLiabilityPublicWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrant Liability Public Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantLiabilityPublicWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrant liability - Public Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RedemptionPremiumPercentageIfVolumeWeightedAveragePriceMoreThanStatedPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Redemption premium percentage if volume weighted average price more than stated price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RedemptionPremiumPercentageIfVolumeWeightedAveragePriceMoreThanStatedPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Redemption Premium Percentage if Volume Weighted Average Price More than Stated Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RedemptionPremiumPercentageIfVolumeWeightedAveragePriceMoreThanStatedPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Redemption premium percentage if volume weighted average price more than $0.75</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PrepaidClinicalExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Prepaid clinical expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PrepaidClinicalExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepaid Clinical Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PrepaidClinicalExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepaid clinical expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillImpairmentLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill impairment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillImpairmentLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Impairment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillImpairmentLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill impairment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillImpairmentLoss_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Impairment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment Information</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MinimumNumberOfSharesOfCommonStockPurchase_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Minimum number of shares of common stock purchase.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MinimumNumberOfSharesOfCommonStockPurchase_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum Number of Shares of Common Stock Purchase</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MinimumNumberOfSharesOfCommonStockPurchase_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum number of shares of common stock purchase</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OtherShortTermDebtDueToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Short-term debt - related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OtherShortTermDebtDueToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other short term debt due to related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OtherShortTermDebtDueToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Short Term Debt Due to Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OtherShortTermDebtDueToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other short term debt due to related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Lived Tangible Asset [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-Lived Tangible Asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueRecurringBasisUnobservableInputReconciliationLiabilityGainLossStatementOfIncomeExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInInventories_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Inventories</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInInventories_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Inventory</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInInventories_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Increase (Decrease) in Inventories, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_GrossProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Gross proceeds from issuance of common stock.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_GrossProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gross Proceeds From Issuance Of Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_GrossProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross proceeds from sale of common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContingentConsiderationByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contingent Consideration by Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contract with Customer, Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance at December 31</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance at January 1</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Contract with Customer, Liability, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IssuanceOfCommonStockRelatingToDebtExtension_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of common stock relating to Yorkville debt extension</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IssuanceOfCommonStockRelatingToDebtExtension_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance Of Common Stock Relating To Debt Extension</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IssuanceOfCommonStockRelatingToDebtExtension_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Issuance of common stock relating to debt extension.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleofyorkvilleshortTermdebtvaluationmodelTabletextblock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of Yorkville short-term debt valuation model.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleofyorkvilleshortTermdebtvaluationmodelTabletextblock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">ScheduleOfYorkvilleShort-termDebtValuationModel[TableTextBlock]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleofyorkvilleshortTermdebtvaluationmodelTabletextblock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Yorkville short-term debt valuation model</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RemainingPaymentsForLegalSettlements_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Remaining Payments For Legal Settlements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RemainingPaymentsForLegalSettlements_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Remaining payments for legal settlements.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Defined Contribution Plan, Employer Discretionary Contribution Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contributions made to the plan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Contract Term, Exercisable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AdditionalDebtInstrumentAmountRequiredForPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional amount required for payment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AdditionalDebtInstrumentAmountRequiredForPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Debt Instrument Amount Required For Payment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AdditionalDebtInstrumentAmountRequiredForPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Additional debt instrument amount required for payment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares, Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, shares outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Common Stock, Shares, Outstanding, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Common Stock, Shares, Outstanding, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Risk-free interest rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Risk-free interest rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock-Based Compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Grant Date Fair Value, Forfeited</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ValuationInputForConvertiblePromissoryNoteTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Valuation input for a convertible promissory note term.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ValuationInputForConvertiblePromissoryNoteTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Input For Convertible Promissory Note Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ValuationInputForConvertiblePromissoryNoteTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Term (years)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term debt - Yorkville ($17,223 at fair value and $16,623 unpaid principal balance at December 31, 2023 and $37,603 at fair value and $37,000 unpaid principal balance at December 31, 2022)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Carrying value of short-term debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Short-Term Debt, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Debt principal balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OfficeSpaceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Office space.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OfficeSpaceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Office Space [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OfficeSpaceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Office Space</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AgreementTerminationDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Agreement termination date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AgreementTerminationDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Agreement Termination Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AgreementTerminationDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Agreement termination date.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromWarrantExercises_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Warrant Exercises</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromWarrantExercises_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from the exercise of warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combinations Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business Combinations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxCreditCarryforwardAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tax Credit Carryforward [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxCreditCarryforwardAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax Credit Carryforward</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration Risk Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MayTwoThousandTwentyTwoPrivateInvestmentInPublicEquityWarrantsModifiedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">May 2022 PIPE Warrants (Modified)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MayTwoThousandTwentyTwoPrivateInvestmentInPublicEquityWarrantsModifiedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">May Two Thousand Twenty Two Private Investment in Public Equity Warrants Modified [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_MayTwoThousandTwentyTwoPrivateInvestmentInPublicEquityWarrantsModifiedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">May two thousand twenty two private investment in public equity warrants modified</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Statement Location [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Statement Location</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Exercise Price, Granted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DragasacWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Dragasac warrant.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DragasacWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dragasac Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DragasacWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dragasac Warrant</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsOverFourYearPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share-based compensation arrangement by share-based payment award, award vesting rights over four year, percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsOverFourYearPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Rights Over Four Year Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsOverFourYearPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Vesting percentage over four years</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, Conversion of Convertible Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock issued pursuant to short-term debt conversion, in shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherPrepaidExpenseCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Prepaid Expense, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherPrepaidExpenseCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PatentCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Patent costs.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PatentCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Patent Costs Policy [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PatentCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Patent Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AdditionalWarrantLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional warrant liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AdditionalWarrantLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Warrant Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AdditionalWarrantLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Additional warrant liability.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CommitmentsandContingenciesDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Commitmentsand Contingencies Details Table</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CommitmentsandContingenciesDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitmentsand Contingencies Details [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CommitmentsandContingenciesDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitmentsand Contingencies Details [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ValuationModelThatRelateToSanuwaveCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Valuation model that relate to sanuwave common stock.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ValuationModelThatRelateToSanuwaveCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Model That Relate To Sanuwave Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ValuationModelThatRelateToSanuwaveCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Investing Activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash used in investing activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PublicUtilitiesInventoryAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfInventoryCurrentAndNoncurrentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of inventory current and noncurrent.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfInventoryCurrentAndNoncurrentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Inventory Current And Noncurrent Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfInventoryCurrentAndNoncurrentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Major Classes of Inventories</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RepurchaseAgreementCounterpartyNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Counterparty Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RepurchaseAgreementCounterpartyNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Counterparty Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeBenefitsAndShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefits and Share-Based Compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeBenefitsAndShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock-based compensation expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_TaxCreditCarryforwardsExpirationYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tax credit carryforwards expiration year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_TaxCreditCarryforwardsExpirationYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tax Credit Carryforwards Expiration Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_TaxCreditCarryforwardsExpirationYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax credit carryforwards expiration year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill and Intangible Assets Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill and Intangible Assets, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Vested options to acquire per share (in Dollars per share)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockOptionsVested_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock options vested.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockOptionsVested_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Options Vested</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_StockOptionsVested_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Options vested</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PrivateInvestmentInPublicEquityWarrantIssuance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">May 2022 PIPE warrant issuance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PrivateInvestmentInPublicEquityWarrantIssuance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Private Investment In Public Equity Warrant Issuance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PrivateInvestmentInPublicEquityWarrantIssuance_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Private investment in public equity warrant issuance.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Accelerated Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based payment awards accelerated the recognition of expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AnnualSales_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of annual sales.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AnnualSales_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Annual Sales</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AnnualSales_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Annual sales</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Number of Shares Forfeited</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Financing Activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash provided by financing activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AssetAcquisitionsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Asset acquisitions.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AssetAcquisitionsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Acquisitions Policy [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AssetAcquisitionsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Asset Acquisitions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxesAndTaxCredits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Income Taxes and Tax Credits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxesAndTaxCredits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred income taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxesAndTaxCredits_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Deferred Income Taxes and Tax Credits, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFilerCategory_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Filer Category</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFilerCategory_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Filer Category</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReceiveForMonth_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Receive For Month</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReceiveForMonth_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Receive For Month</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ReceiveForMonth_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Receive for month</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicensingArrangementTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Licensing arrangement term.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicensingArrangementTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Licensing Arrangement Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LicensingArrangementTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Licensing arrangement term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BalanceSheetLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Balance Sheet Location [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BalanceSheetLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Balance Sheet Location</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_BaseSalaryEffectiveDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Base salary effective date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_BaseSalaryEffectiveDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Base Salary Effective Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_BaseSalaryEffectiveDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Base salary effective date.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LoanAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loan agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LoanAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loan Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LoanAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RedemptionPremiumPercentageIfVolumeWeightedAveragePriceIsLessThanStatedPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Redemption premium percentage if volume weighted average price is less than stated price.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RedemptionPremiumPercentageIfVolumeWeightedAveragePriceIsLessThanStatedPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Redemption Premium Percentage if Volume Weighted Average Price is Less Than Stated Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_RedemptionPremiumPercentageIfVolumeWeightedAveragePriceIsLessThanStatedPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Redemption premium percentage if volume weighted average price is less than $0.75</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AccruedClinicalTrialExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accrued clinical trial expense.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AccruedClinicalTrialExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Clinical Trial Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AccruedClinicalTrialExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued clinical trial expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PaymentsToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payments to related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PaymentsToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments To Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PaymentsToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amount paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentOriginalIssueDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument original issue discount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentOriginalIssueDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Original Issue Discount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DebtInstrumentOriginalIssueDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Original issue discount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Write-offs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable, Allowance for Credit Loss, Writeoff</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Nonoperating Income (Expense)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total other income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PaymentPlansForCustomerToPayOverTimePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payment plans for customer to pay over time period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PaymentPlansForCustomerToPayOverTimePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payment Plans For Customer To Pay Over Time Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PaymentPlansForCustomerToPayOverTimePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payment plans for customer to pay over time period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CURAFoundationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">CURA Foundation [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CURAFoundationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">C U R A Foundation [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CURAFoundationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CURA Foundation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CapitalExpendituresIncurredButNotYetPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Capital Expenditures Incurred but Not yet Paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CapitalExpendituresIncurredButNotYetPaid_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Property and equipment included in accounts payable and accrued expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment [Table]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LegacyGXWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Legacy GX warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_LegacyGXWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Legacy G X Warrant [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Useful Life</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InitialAndSecondTrancheMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Initial and second tranche.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_InitialAndSecondTrancheMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Initial and Second Tranche [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FallInCashAndCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fall in cash and cash equivalents</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_FallInCashAndCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fall in Cash And Cash Equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity, Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Stockholders' Equity Attributable to Parent, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SeriesXRedeemableConvertiblePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series X redeemable convertible preferred stock.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SeriesXRedeemableConvertiblePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series X Redeemable Convertible Preferred Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SeriesXRedeemableConvertiblePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series X Redeemable Convertible Preferred Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidatedEntitiesAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidated Entities [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidatedEntitiesAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consolidated Entities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentsIncorporatedByReferenceTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Documents Incorporated by Reference [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentsIncorporatedByReferenceTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Documents Incorporated By Reference</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Assets, Net (Excluding Goodwill)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible assets, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Intangible assets, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NumberOfWarrantsRepriced_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of warrants repriced</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NumberOfWarrantsRepriced_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Warrants Repriced</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_NumberOfWarrantsRepriced_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The number of warrants repriced.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Net operating loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net (loss) income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Net loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Description and Basis of Presentation [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Nature of Business</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceInitialPublicOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from registered direct offerings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceInitialPublicOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance Initial Public Offering</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_EffectiveIncomeTaxRateReconciliationInterestAccretionExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Effective income tax rate reconciliation interest accretion expense.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_EffectiveIncomeTaxRateReconciliationInterestAccretionExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation Interest Accretion Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_EffectiveIncomeTaxRateReconciliationInterestAccretionExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest accretion expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">State income taxes, net of federal benefits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AwardsWithServiceConditionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Awards with service conditions.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AwardsWithServiceConditionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Awards With Service Conditions [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AwardsWithServiceConditionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Awards with Service Conditions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Measurements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Financial Position [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Basis of Presentation and Significant Accounting Policies [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basis of Presentation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average shares outstanding - diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Weighted average shares outstanding, diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Weighted average shares outstanding, diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfFutureMinimumPaymentsUnderNonCancelableOperatingLeasesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of future minimum payments under non-cancelable operating leases [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfFutureMinimumPaymentsUnderNonCancelableOperatingLeasesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Future Minimum Payments Under Non Cancelable Operating Leases [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Reconciliation of the U.S. Federal Statutory Income Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Credit Facility [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantLiabilityRegisteredDirectWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Warrant liability - April 2023 Registered Direct Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantLiabilityRegisteredDirectWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrant Liability Registered Direct Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantLiabilityRegisteredDirectWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Warrant liability registered direct warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Issued, Price Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share price (in Dollars per share)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Purchase price of per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Effective income tax rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Federal Income Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Federal</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Aggregate Fair Values of the Warrant Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OutstandingInvoiceAmountRefused_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Outstanding invoice amount refused</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OutstandingInvoiceAmountRefused_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Outstanding invoice amount refused.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InProcessResearchAndDevelopmentPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">In Process Research and Development</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InProcessResearchAndDevelopmentPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">In Process Research and Development, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ResortsWorldIncPteLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Resorts World Inc Pte Ltd</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ResortsWorldIncPteLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Resorts World Inc Pte Ltd [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ResortsWorldIncPteLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Resorts world inc pte ltd.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfStockOptionsActivityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of stock options activity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfStockOptionsActivityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Stock Options Activity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SupplyAndDistributionAgreementPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Supply and distribution agreement period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SupplyAndDistributionAgreementPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supply And Distribution Agreement Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SupplyAndDistributionAgreementPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Supply and distribution agreement period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Accrued Expenses and Other Current Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Weighted Average Remaining Lease Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average remaining lease term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AwardModificationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Award modification expense.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AwardModificationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Award Modification Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AwardModificationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Award modification expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Purchase Price of Common Stock, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of fair market value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UseOfEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Use of Estimates, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UseOfEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Use of Estimates</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AcquisitionRelatedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquisition Related</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AcquisitionRelatedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Acquisition Related [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_AcquisitionRelatedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Acquisition-Related.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongtermPurchaseCommitmentPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Purchase Commitment, Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongtermPurchaseCommitmentPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">License agreement period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OtherShortTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other short-term debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OtherShortTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Short-Term Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_OtherShortTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other short-term debt.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CommitmentsAndContingenciesDetailsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Commitments and contingencies (Details) [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CommitmentsAndContingenciesDetailsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments And Contingencies Details [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_CommitmentsAndContingenciesDetailsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments And Contingencies Details [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Weighted Average Exercise Price, beginning balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Weighted Average Exercise Price, ending balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesRestrictedStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares, Restricted Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesRestrictedStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average restricted stock units</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finite Lived Intangible Assets [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_EvolutionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Evolution agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_EvolutionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Evolution Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_EvolutionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Evolution Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Basic and Diluted Net Income (Loss) Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantLiabilitySponsorWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Warrant liability Sponsor Warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantLiabilitySponsorWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrant Liability Sponsor Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantLiabilitySponsorWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrant liability - Sponsor Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IssuanceOfWarrantsOnSeniorSecuredBridgeLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of warrants on senior secured bridge loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IssuanceOfWarrantsOnSeniorSecuredBridgeLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance of Warrants on Senior Secured Bridge Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IssuanceOfWarrantsOnSeniorSecuredBridgeLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Issuance of warrants on senior secured bridge loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PremiumPaidForPrivatePlacementPurchase_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Premium paid for private placement purchase</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PremiumPaidForPrivatePlacementPurchase_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Premium Paid for Private Placement Purchase</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PremiumPaidForPrivatePlacementPurchase_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Premium paid for private placement purchase.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disaggregation of Revenue [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Disaggregation Of Revenue [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SaleOfStockConsiderationCashDueDiligenceFee_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash due diligence fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SaleOfStockConsiderationCashDueDiligenceFee_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock, Consideration Cash Due Diligence Fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SaleOfStockConsiderationCashDueDiligenceFee_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sale of stock, consideration cash due diligence fee.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseholdImprovementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Leasehold Improvements [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseholdImprovementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Leasehold Improvements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxAuthorityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Authority [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxAuthorityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Tax Authority</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ChangeInFairValueOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Change in fair value of debt.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ChangeInFairValueOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change in Fair Value of Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ChangeInFairValueOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in fair value of debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ChangeInFairValueOfDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Change in fair value of debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Disclosures [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfOutstandingStockMaximum_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Percentage of Outstanding Stock Maximum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfOutstandingStockMaximum_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of shares issued from outstanding capital stock, maximum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">This represents the fair value of our warrants at the balance sheet date.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrant Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrant liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_WarrantLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Fair value of the warrant liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Income Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total current income tax expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Hierarchy and NAV [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Hierarchy and NAV</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_COTAIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">COTA, Inc [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_COTAIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">C O T A Inc [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_COTAIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">COTA, Inc</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Property, Plant, and Equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Capital expenditures</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Payments to Acquire Property, Plant, and Equipment, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PriorPeriodReclassificationAdjustmentDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reclassification, Comparability Adjustment [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PriorPeriodReclassificationAdjustmentDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reclassifications</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RestatementDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revision of Prior Period [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DiscountsArisingFromRWILoanArrangementRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Discounts arising from RWI loan arrangement - related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DiscountsArisingFromRWILoanArrangementRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Discounts Arising From R W I Loan Arrangement Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DiscountsArisingFromRWILoanArrangementRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Discounts arising from RWI loan arrangement related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RedeemableConvertiblePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Redeemable Convertible Preferred Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RedeemableConvertiblePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Redeemable Convertible Preferred Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Number of Shares Released</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Grant Date Fair Value, Released</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IndirectExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of indirect expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IndirectExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Indirect Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_IndirectExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Indirect expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Purchase and sale of shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, New Issues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of common stock (in Shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DeferredTaxAssetsLegalFeeCapitalizationAndAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred tax assets legal fee capitalization and amortization.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DeferredTaxAssetsLegalFeeCapitalizationAndAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets Legal Fee Capitalization And Amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_DeferredTaxAssetsLegalFeeCapitalizationAndAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Legal fee capitalization and amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeRelatedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee-related Liabilities, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeRelatedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued wages, bonuses, commissions and vacation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeRelatedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Employee-related Liabilities, Current, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business Acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentCovenantCompliance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument, covenant compliance description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentCovenantCompliance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Covenant Compliance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Warrant or Right</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PIPERelatedCostsIncludedInAccruedExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">PIPE related costs included in accrued expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PIPERelatedCostsIncludedInAccruedExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">P I P E Related Costs Included In Accrued Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PIPERelatedCostsIncludedInAccruedExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">PIPE related costs included in accrued expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxCreditCarryforwardNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tax Credit Carryforward, Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxCreditCarryforwardNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax Credit Carryforward, Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets by Major Class [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finite-Lived Intangible Assets by Major Class</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfPrepaidExpensesAndOtherCurrentAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of prepaid expenses and other current assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfPrepaidExpensesAndOtherCurrentAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Prepaid Expenses and Other Current Assets [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ScheduleOfPrepaidExpensesAndOtherCurrentAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Prepaid Expenses and Other Current Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SummaryOfSignificantAccountingPoliciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Summary of significant accounting policies.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SummaryOfSignificantAccountingPoliciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary Of Significant Accounting Policies [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_SummaryOfSignificantAccountingPoliciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary Of Significant Accounting Policies [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ContractWithCustomerLiabilityIncreaseDecreaseForContractFromBusinessCombinationAndDeferredRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Contract with customer liability increase decrease for contract from business combination and deferred revenue.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ContractWithCustomerLiabilityIncreaseDecreaseForContractFromBusinessCombinationAndDeferredRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contract With Customer Liability Increase Decrease For Contract From Business Combination And Deferred Revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ContractWithCustomerLiabilityIncreaseDecreaseForContractFromBusinessCombinationAndDeferredRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferral of revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_ContractWithCustomerLiabilityIncreaseDecreaseForContractFromBusinessCombinationAndDeferredRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Deferral of revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PultheraLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pulthera Llc</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="celu_PultheraLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Pulthera LLC [Member]</link:label>
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          <link:loc xlink:type="locator" xlink:href="celu-20231231.xsd#celu_DeferredTaxAssetsUnicap" xlink:label="celu_DeferredTaxAssetsUnicap"/>
          <link:loc xlink:type="locator" xlink:href="celu-20231231.xsd#celu_DeferredTaxAssetsImputedInterestOnContingentPayments" xlink:label="celu_DeferredTaxAssetsImputedInterestOnContingentPayments"/>
          <link:loc xlink:type="locator" xlink:href="celu-20231231.xsd#celu_DeferredTaxAssetsLegalFeeCapitalizationAndAmortization" xlink:label="celu_DeferredTaxAssetsLegalFeeCapitalizationAndAmortization"/>
          <link:loc xlink:type="locator" xlink:href="celu-20231231.xsd#celu_DeferredTaxAssetsCapitalizedResearchAndDevelopment" xlink:label="celu_DeferredTaxAssetsCapitalizedResearchAndDevelopment"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsOther" xlink:label="us-gaap_DeferredTaxAssetsOther"/>
        </link:calculationLink>
      </link:linkbase>
    </xsd:appinfo>
  </xsd:annotation>
  <xsd:element id="celu_ReducedExercisePrice" name="ReducedExercisePrice" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_RelatedPartyPartTimeBaseSalary" name="RelatedPartyPartTimeBaseSalary" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_DiscountsArisingFromRWILoanArrangementRelatedParty" name="DiscountsArisingFromRWILoanArrangementRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_DebtInstrumentAccruedInterest" name="DebtInstrumentAccruedInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_ValuationInputForShortTermDebtDiscountYield" name="ValuationInputForShortTermDebtDiscountYield" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="celu_AmendedDragasacWarrantsMember" name="AmendedDragasacWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_ScheduleOfIntangibleAssetsNetTableTextBlock" name="ScheduleOfIntangibleAssetsNetTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_DebtInstrumentOriginalIssueDiscount" name="DebtInstrumentOriginalIssueDiscount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_IncreaseDecreaseInRightOfUseAssetsAndLeaseLiabilities" name="IncreaseDecreaseInRightOfUseAssetsAndLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_ScheduleOfIncomeTaxProvisionAbstract" name="ScheduleOfIncomeTaxProvisionAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_SecondTrancheMember" name="SecondTrancheMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_EffectiveIncomeTaxRateReconciliationMarkToMarketWarrant" name="EffectiveIncomeTaxRateReconciliationMarkToMarketWarrant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_ReclassificationOfOptionLiabilitiesToEquity" name="ReclassificationOfOptionLiabilitiesToEquity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_DeferredTaxAssetsStartupCosts" name="DeferredTaxAssetsStartupCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_RelatedPartyCashBonus" name="RelatedPartyCashBonus" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_CommercialLicenseToDentalProductsAgreementRenewalTerm" name="CommercialLicenseToDentalProductsAgreementRenewalTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_InventoryNetCurrentAndNoncurrent" name="InventoryNetCurrentAndNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_InitialAndSecondTrancheMember" name="InitialAndSecondTrancheMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_SeriesBRedeemablesConvertiblePreferredStocksMember" name="SeriesBRedeemablesConvertiblePreferredStocksMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_CeoPromissoryNoteMember" name="CeoPromissoryNoteMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_IncentivePayment" name="IncentivePayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_InterestAccruedOnSeniorSecuredLoansWithinLongTermDebtRelatedParties" name="InterestAccruedOnSeniorSecuredLoansWithinLongTermDebtRelatedParties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_MaximumPercentageOfSalesCommissionFromGrossSalesProceeds" name="MaximumPercentageOfSalesCommissionFromGrossSalesProceeds" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_DeferredTaxLiabilitiesInProcessResearchAndDevelopment" name="DeferredTaxLiabilitiesInProcessResearchAndDevelopment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_StandbyEquityPurchaseAgreementMember" name="StandbyEquityPurchaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_DrRobertHaririMember" name="DrRobertHaririMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_FinancingObligationsNoncurrent" name="FinancingObligationsNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_ValuationInputForShortTermDebtCreditSpread" name="ValuationInputForShortTermDebtCreditSpread" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="celu_AnnualSales" name="AnnualSales" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_PaymentsToRelatedParty" name="PaymentsToRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_ValuationInputForShortTermDebtSharePrice" name="ValuationInputForShortTermDebtSharePrice" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="celu_LicenseAndDistributionAgreementsAbstract" name="LicenseAndDistributionAgreementsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_AdditionalWarrantLiability" name="AdditionalWarrantLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_PercentageOfBaseSalary" name="PercentageOfBaseSalary" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_OutstandingInvoiceAmountRefused" name="OutstandingInvoiceAmountRefused" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_AggregateOfferingPrice" name="AggregateOfferingPrice" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_WarrantsPerSharePercentage" name="WarrantsPerSharePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="celu_EmploymentOfImmediateFamilyMemberMember" name="EmploymentOfImmediateFamilyMemberMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_IincreasedNotePayments" name="IincreasedNotePayments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_SaleOfStockMaximumAverageDailyTradedAmountPercentage" name="SaleOfStockMaximumAverageDailyTradedAmountPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="celu_EmergingGrowthCompanyPolicyTextBlock" name="EmergingGrowthCompanyPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_MinimumBidPriceRequirementCompliancePeriod" name="MinimumBidPriceRequirementCompliancePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_WarrantsAndRightsIssuedClosingDate" name="WarrantsAndRightsIssuedClosingDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_RelatedPartyTransactionsDetailsLineItems" name="RelatedPartyTransactionsDetailsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_Biovance3LMember" name="Biovance3LMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_DebtInstrumentContributionAmount" name="DebtInstrumentContributionAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_RelatedPartyFullTimeBaseSalary" name="RelatedPartyFullTimeBaseSalary" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_BusinessDays" name="BusinessDays" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_DebtConversionOriginalDebtAccruedInterestAmount" name="DebtConversionOriginalDebtAccruedInterestAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_BiobankingMember" name="BiobankingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_AdjustedAdvanceNoticePeriod" name="AdjustedAdvanceNoticePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_PromissoryNotesReceivable" name="PromissoryNotesReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_AnnualSalesNotExceed" name="AnnualSalesNotExceed" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_MaximumPercentageOfCommonStockIssued" name="MaximumPercentageOfCommonStockIssued" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_NumberOfSharesHolding" name="NumberOfSharesHolding" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="celu_PaymentOfOptionFeeInCash" name="PaymentOfOptionFeeInCash" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_TaxCreditCarryforwardsExpirationYear" name="TaxCreditCarryforwardsExpirationYear" type="xbrli:gYearItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_ConsultingAgreementMember" name="ConsultingAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_LaboratoryAndProductionEquipmentMember" name="LaboratoryAndProductionEquipmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_SecuritiesPurchaseAgreementDate" name="SecuritiesPurchaseAgreementDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsOnClosingDatePercentage" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsOnClosingDatePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_LegacyCelularitysMember" name="LegacyCelularitysMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_OperatingLossCarryforwardsExpirationYear" name="OperatingLossCarryforwardsExpirationYear" type="xbrli:gYearItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_ConvertibleNoteReceivable" name="ConvertibleNoteReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_FairValueMeasurementWithUnobservableInputsReconciliationConversionOfDebtIntoCommonShares" name="FairValueMeasurementWithUnobservableInputsReconciliationConversionOfDebtIntoCommonShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_AccruedClinicalTrialExpense" name="AccruedClinicalTrialExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_ReductionOfRightOfUseAssetsAndAssociatedLeaseLiabilityDueToLeaseModification" name="ReductionOfRightOfUseAssetsAndAssociatedLeaseLiabilityDueToLeaseModification" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_CVStarLoanMember" name="CVStarLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_MayTwoThousandTwentyTwoPrivateInvestmentInPublicEquityWarrantsModifiedMember" name="MayTwoThousandTwentyTwoPrivateInvestmentInPublicEquityWarrantsModifiedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_ClassOfWarrantOrRighstExpirationDate" name="ClassOfWarrantOrRighstExpirationDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_ContingentStockConsiderationObligation" name="ContingentStockConsiderationObligation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_AtTheMarketSalesAgreementMember" name="AtTheMarketSalesAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_SaleOfStockLowestDailyVolumeWeightedAveragePriceThresholdConsecutiveTradingDays" name="SaleOfStockLowestDailyVolumeWeightedAveragePriceThresholdConsecutiveTradingDays" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_ConvertiblePromissoryNotesMember" name="ConvertiblePromissoryNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_DebtInstrumentDiscount" name="DebtInstrumentDiscount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_CURAFoundationMember" name="CURAFoundationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_DebtInstrumentRedemptionPremium" name="DebtInstrumentRedemptionPremium" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_StockIssuedDuringPeriodSharesShortTermDebtMaturityExtension" name="StockIssuedDuringPeriodSharesShortTermDebtMaturityExtension" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_UpfrontFee" name="UpfrontFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_OtherShortTermDebtDueToRelatedParty" name="OtherShortTermDebtDueToRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_AdditionalLoanMember" name="AdditionalLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_FaceValueOfNotesReceivable" name="FaceValueOfNotesReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_JulyTwoThousandTwentyThreeRegisteredDirectWarrantsMember" name="JulyTwoThousandTwentyThreeRegisteredDirectWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_WarrantExpirationTerm" name="WarrantExpirationTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_FairValueAssetsOfContingentStockConsiderationMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock" name="FairValueAssetsOfContingentStockConsiderationMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_MinimumClosingBidPriceOfCommonStockConsecutiveBusinessDays" name="MinimumClosingBidPriceOfCommonStockConsecutiveBusinessDays" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_ReceiveForMonth" name="ReceiveForMonth" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_NumberOfClinicalTrials" name="NumberOfClinicalTrials" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="celu_PercentageOfBeneficialOwnershipLimitation" name="PercentageOfBeneficialOwnershipLimitation" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_AwardsWithMarketConditionsMember" name="AwardsWithMarketConditionsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_SanuwaveLicenseAgreementMember" name="SanuwaveLicenseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_HLICellularTherapeuticsMember" name="HLICellularTherapeuticsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_ScheduleOfConvertibleNoteValuationModelTableTextBlock" name="ScheduleOfConvertibleNoteValuationModelTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_RepaymentsOfShortTermDebtIncludingAccruedInterestAndExitFee" name="RepaymentsOfShortTermDebtIncludingAccruedInterestAndExitFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_LicenseAgreementWithBiocellgraftIncMember" name="LicenseAgreementWithBiocellgraftIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_PercentageOfConversionOnOutstandingCommonStock" name="PercentageOfConversionOnOutstandingCommonStock" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="celu_NonAmortizedIntangibleAssetsAbstract" name="NonAmortizedIntangibleAssetsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_LicenseFeeExpense" name="LicenseFeeExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_SorrentoTherapeuticsIncMember" name="SorrentoTherapeuticsIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_WarrantsLiabilitiesPolicyTextBlock" name="WarrantsLiabilitiesPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_OperatingLeaseCommencementDate" name="OperatingLeaseCommencementDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_IssuancePricePercentage" name="IssuancePricePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="celu_ServiceAgreementTerm" name="ServiceAgreementTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_ValuationInputForConvertiblePromissoryNote" name="ValuationInputForConvertiblePromissoryNote" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="celu_AdditionalDebtInstrumentAmountRequiredForPayment" name="AdditionalDebtInstrumentAmountRequiredForPayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_SettlementAndReleaseAgreementMember" name="SettlementAndReleaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_ClinicalAndRegulatoryMilestones" name="ClinicalAndRegulatoryMilestones" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_NumberOfWarrantsRepriced" name="NumberOfWarrantsRepriced" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="celu_LoanAgreementMember" name="LoanAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_WarrenNewJerseyMember" name="WarrenNewJerseyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_OperatingIncomeCostsAndExpenses" name="OperatingIncomeCostsAndExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_LetterAgreementMember" name="LetterAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_ScheduleOfFutureMinimumPaymentsUnderNonCancelableOperatingLeasesAbstract" name="ScheduleOfFutureMinimumPaymentsUnderNonCancelableOperatingLeasesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_ScientificAndClinicalAdvisorAgreementMember" name="ScientificAndClinicalAdvisorAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_ChangeInFairValueOfContingentStockConsideration" name="ChangeInFairValueOfContingentStockConsideration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_LineOfCreditIncreaseInInterestRateDuringPeriodInEventOfDefault" name="LineOfCreditIncreaseInInterestRateDuringPeriodInEventOfDefault" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_UnpaidBaseSalary" name="UnpaidBaseSalary" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_OfficeAndLaboratorySpaceMember" name="OfficeAndLaboratorySpaceMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_RestrictedCashPolicyTextBlock" name="RestrictedCashPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_PultheraLlcMember" name="PultheraLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_SoftwareCeaseUseCostsMember" name="SoftwareCeaseUseCostsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_NetOperatingLossesAndUnusedResearchAndDevelopmentTaxCreditsSold" name="NetOperatingLossesAndUnusedResearchAndDevelopmentTaxCreditsSold" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_ExpenseRelatedToPerformanceAwards" name="ExpenseRelatedToPerformanceAwards" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_ReversedStockBasedCompensationExpenses" name="ReversedStockBasedCompensationExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_StockIssuedDuringPeriodSharesReclassificationOfPreviouslyExercisedStockOptions" name="StockIssuedDuringPeriodSharesReclassificationOfPreviouslyExercisedStockOptions" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_RobinLSmithMdMember" name="RobinLSmithMdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_SeriesARedeemableConvertiblePreferredStockMember" name="SeriesARedeemableConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_FinancingObligationsCurrent" name="FinancingObligationsCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_AprilTwoThousandTwentyThreeRegisteredDirectWarrantsModifiedMember" name="AprilTwoThousandTwentyThreeRegisteredDirectWarrantsModifiedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_PaymentPlansForCustomerToPayOverTimePeriod" name="PaymentPlansForCustomerToPayOverTimePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_RegisteredDirectWarrantIssuanceDuringJuly" name="RegisteredDirectWarrantIssuanceDuringJuly" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_ExitOrDisposalCosts" name="ExitOrDisposalCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_GovernmentGrantsPolicyTextBlock" name="GovernmentGrantsPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_TwoThousandTwentyFourWarrantRepricingMember" name="TwoThousandTwentyFourWarrantRepricingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_SponsorWarrantsMember" name="SponsorWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_ContractedStoragePeriods" name="ContractedStoragePeriods" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_WarrantLiabilityRegisteredDirectWarrants" name="WarrantLiabilityRegisteredDirectWarrants" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_NonqualifiedStockOptionToPurchaseSharesOfCommonStock" name="NonqualifiedStockOptionToPurchaseSharesOfCommonStock" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_ProceedsFromIssuanceOfPrivatePlacementInAdditionalPaidInCapitalNet" name="ProceedsFromIssuanceOfPrivatePlacementInAdditionalPaidInCapitalNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_DueToLowerOfCostOrMarketAdjustmentsForFinishedGoodsMember" name="DueToLowerOfCostOrMarketAdjustmentsForFinishedGoodsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_JuneTwoThousandTwentyThreeLoanWarrantsMember" name="JuneTwoThousandTwentyThreeLoanWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_NoncurrentResearchAndDevelopmentSoftware" name="NoncurrentResearchAndDevelopmentSoftware" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_StockBasedCompensationDetailsLineItems" name="StockBasedCompensationDetailsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_PercentageOfUnpaidBaseSalary" name="PercentageOfUnpaidBaseSalary" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_WarrantLiabilityPublicWarrants" name="WarrantLiabilityPublicWarrants" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_SaleOfStockMaximumAverageDailyTradedAmountThresholdConsecutiveTradingDays" name="SaleOfStockMaximumAverageDailyTradedAmountThresholdConsecutiveTradingDays" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_FairValueOfFinancialAssetsAndLiabilitiesTablesTable" name="FairValueOfFinancialAssetsAndLiabilitiesTablesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_BaseRentalPayments" name="BaseRentalPayments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_OtherMember" name="OtherMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_ScheduleOfPrepaidExpensesAndOtherCurrentAssetsTableTextBlock" name="ScheduleOfPrepaidExpensesAndOtherCurrentAssetsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_AccrualsForConstructionInProgress" name="AccrualsForConstructionInProgress" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_StockIssuedDuringPeriodSharesWarrantsExercised" name="StockIssuedDuringPeriodSharesWarrantsExercised" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_CariCordParticipatingShareholdersMember" name="CariCordParticipatingShareholdersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_YorkvilleMember" name="YorkvilleMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_DragasacWarrantMember" name="DragasacWarrantMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_TwoThousandAndTwentyOneEquityIncentivePlanMember" name="TwoThousandAndTwentyOneEquityIncentivePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_ProceedsFromIssuanceOfWarrant" name="ProceedsFromIssuanceOfWarrant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_LessAccumulatedAmortizationAbstract" name="LessAccumulatedAmortizationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_DeferredTaxAssetsImputedInterestOnContingentPayments" name="DeferredTaxAssetsImputedInterestOnContingentPayments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_PrepaidExpensesAndOtherCurrentAssetsDisclosureTextBlock" name="PrepaidExpensesAndOtherCurrentAssetsDisclosureTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_ConvertiblePromissoryNoteDiscountPercentage" name="ConvertiblePromissoryNoteDiscountPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_ScheduleOfBasicAndDilutedNetIncomeLossPerOrdinaryShareAbstract" name="ScheduleOfBasicAndDilutedNetIncomeLossPerOrdinaryShareAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_LicenseAndDistributionAgreementsTextBlock" name="LicenseAndDistributionAgreementsTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_DebtInstrumentPerDiemInterestAmount" name="DebtInstrumentPerDiemInterestAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_ValuationInputForShortTermDebtDividendYield" name="ValuationInputForShortTermDebtDividendYield" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="celu_FairValueOfWarrantModificationForProfessionalServices" name="FairValueOfWarrantModificationForProfessionalServices" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_ReclassifiedFromWarrantLiabilityToAdditionalPaidInCapital" name="ReclassifiedFromWarrantLiabilityToAdditionalPaidInCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_CariCordIncorporatedMember" name="CariCordIncorporatedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_PatentCostsPolicyTextBlock" name="PatentCostsPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_InstrumentSpecificCreditRiskIncome" name="InstrumentSpecificCreditRiskIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_FairValueOfFinancialAssetsAndLiabilitiesTablesLineItems" name="FairValueOfFinancialAssetsAndLiabilitiesTablesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_LicenseAgreementMember" name="LicenseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_RecapitalizationNetOfRedemptionsEquityIssuanceCostsAndMergerCostsAdditionalPaidInCapital" name="RecapitalizationNetOfRedemptionsEquityIssuanceCostsAndMergerCostsAdditionalPaidInCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_AnnualMaintenanceFee" name="AnnualMaintenanceFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_ContingentStockConsiderationMember" name="ContingentStockConsiderationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_PrivateInvestmentInPublicEquityFinancingMember" name="PrivateInvestmentInPublicEquityFinancingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_TwoThousandAndSeventeenEquityIncentivePlanMember" name="TwoThousandAndSeventeenEquityIncentivePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_RelatedPartyTransactionsDetailsTable" name="RelatedPartyTransactionsDetailsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_CashAndNonCashActivityRelatedToLeaseLiabilitiesTableTextBlock" name="CashAndNonCashActivityRelatedToLeaseLiabilitiesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_SponsorsMember" name="SponsorsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_PaymentTermNet" name="PaymentTermNet" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_ScheduleOfFairValueOfTheLiabilityTableTextBlock" name="ScheduleOfFairValueOfTheLiabilityTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_DebtInstrumentPayment" name="DebtInstrumentPayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_GainLossRecognizedInEarningsFromChangeInFairValues" name="GainLossRecognizedInEarningsFromChangeInFairValues" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_ContingentStockConsideration" name="ContingentStockConsideration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_StockBasedCompensationDetailsTable" name="StockBasedCompensationDetailsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_LicenseAgreementNoticePeriod" name="LicenseAgreementNoticePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_PipeWarrantsMember" name="PipeWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_RequiredMonthlyPaymentIfDailyVolumeWeightedAveragePriceIsBelowStatedPrice" name="RequiredMonthlyPaymentIfDailyVolumeWeightedAveragePriceIsBelowStatedPrice" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_SupplyAndDistributionAgreementNonRenewalNoticePeriod" name="SupplyAndDistributionAgreementNonRenewalNoticePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_NumberOfBusinessSegments" name="NumberOfBusinessSegments" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_ReclassificationOfLegacyCelularityWarrantsToEquity" name="ReclassificationOfLegacyCelularityWarrantsToEquity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_MarchTwoThousandTwentyThreePrivateInvestmentInPublicEquityWarrantsMember" name="MarchTwoThousandTwentyThreePrivateInvestmentInPublicEquityWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_InventoryFinishedGoodsCurrentAndNoncurrent" name="InventoryFinishedGoodsCurrentAndNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_DebtInstrumentAmountRequiredForPaymentOnDue" name="DebtInstrumentAmountRequiredForPaymentOnDue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_ScheduleOfFairValueSignificantInputsForWarrantsIssuedTableTextBlock" name="ScheduleOfFairValueSignificantInputsForWarrantsIssuedTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_OfficeManufacturingAndLaboratorySpaceMember" name="OfficeManufacturingAndLaboratorySpaceMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_NumeratorEarningsAllocableToCommonStockSubjectToPossibleRedemptionAbstract" name="NumeratorEarningsAllocableToCommonStockSubjectToPossibleRedemptionAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_RwiNewWarrantsMember" name="RwiNewWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_AccruedResearchDevelopmentSoftware" name="AccruedResearchDevelopmentSoftware" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_AcquiredInProcessResearchAndDevelopment" name="AcquiredInProcessResearchAndDevelopment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_AcquiredProductRights" name="AcquiredProductRights" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_ClosingBidPricePerShareOfCommonStock" name="ClosingBidPricePerShareOfCommonStock" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="celu_ContractWithCustomerLiabilityIncreaseDecreaseForContractFromBusinessCombinationAndDeferredRevenue" name="ContractWithCustomerLiabilityIncreaseDecreaseForContractFromBusinessCombinationAndDeferredRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_LeasesLineItems" name="LeasesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_PublicWarrantsMember" name="PublicWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_JanuaryTwoThousandTwentyFourPipeWarrantsMember" name="JanuaryTwoThousandTwentyFourPipeWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_SeriesXRedeemableConvertiblePreferredStockMember" name="SeriesXRedeemableConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_AnnualRateOfBaseSalary" name="AnnualRateOfBaseSalary" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_COTAIncMember" name="COTAIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_PercentageIncreaseInBaseAnnualRent" name="PercentageIncreaseInBaseAnnualRent" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_ShortTermBorrowingAmountEqualToExitFeePercentage" name="ShortTermBorrowingAmountEqualToExitFeePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_RwiForbearanceAgreementMember" name="RwiForbearanceAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_ScheduleOfStockBasedCompensationExpenseAbstract" name="ScheduleOfStockBasedCompensationExpenseAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_SaleOfStockConsiderationCashDueDiligenceFee" name="SaleOfStockConsiderationCashDueDiligenceFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_SeriesBPreferredStockPurchaseAgreementsMember" name="SeriesBPreferredStockPurchaseAgreementsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_IssuanceOfCommonStockRelatingToDebtExtension" name="IssuanceOfCommonStockRelatingToDebtExtension" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_ScheduleReconciliationOfTheFederalIncomeTaxAbstract" name="ScheduleReconciliationOfTheFederalIncomeTaxAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_PrivateInvestmentInPublicEquityWarrantIssuance" name="PrivateInvestmentInPublicEquityWarrantIssuance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_RemainingPaymentsForLegalSettlements" name="RemainingPaymentsForLegalSettlements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_DueToLowerOfCostOrMarketAdjustmentsForWorkInProgressGoodsMember" name="DueToLowerOfCostOrMarketAdjustmentsForWorkInProgressGoodsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_ProceedsFromIssuanceOfPrivatePlacementNet" name="ProceedsFromIssuanceOfPrivatePlacementNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_StarrBridgeFirstAmendmentMember" name="StarrBridgeFirstAmendmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_IndefiniteLivedIntangibleAssetsAmortizationMethod" name="IndefiniteLivedIntangibleAssetsAmortizationMethod" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_MinimumPercentageOfRecognizedTaxBenefitLikelihoodOfBeingRealizedUponUltimateSettlementWithTaxAuthority" name="MinimumPercentageOfRecognizedTaxBenefitLikelihoodOfBeingRealizedUponUltimateSettlementWithTaxAuthority" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_MarchTwoThousandTwentyThreeLoanWarrantsMember" name="MarchTwoThousandTwentyThreeLoanWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_NetOfReductionInBuildToSuitLease" name="NetOfReductionInBuildToSuitLease" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_ReimbursementOfCostUnderLicenseAgreement" name="ReimbursementOfCostUnderLicenseAgreement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_WarrantLiabilityPrivateInvestmentInPublicEquityWarrants" name="WarrantLiabilityPrivateInvestmentInPublicEquityWarrants" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_SaleOfStockPercentageBasedOnVolumeWeightedAveragePrice" name="SaleOfStockPercentageBasedOnVolumeWeightedAveragePrice" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="celu_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsOverFourYearPercentage" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsOverFourYearPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_MaterialBreachContractTerminatedTerm" name="MaterialBreachContractTerminatedTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_CashConsiderationPerMonth" name="CashConsiderationPerMonth" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_IssuanceOfCommonStockForStemCellsToBeUsedInResearchAndDevelopment" name="IssuanceOfCommonStockForStemCellsToBeUsedInResearchAndDevelopment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_IssuanceOfWarrantsAtEstimatedFairValue" name="IssuanceOfWarrantsAtEstimatedFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_PaymentsOfAtTheMarketOfferingCostsAndCommissions" name="PaymentsOfAtTheMarketOfferingCostsAndCommissions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_LicenseRoyaltyAndOtherMember" name="LicenseRoyaltyAndOtherMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_StockIssuedDuringPeriodValueReclassificationOfPreviouslyExercisedStockOptions" name="StockIssuedDuringPeriodValueReclassificationOfPreviouslyExercisedStockOptions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_RecognitionOfAssetAndFinancingObligationRelatedToFacilityBuildOut" name="RecognitionOfAssetAndFinancingObligationRelatedToFacilityBuildOut" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_DiscountPercentagePaymentForInvoicesWithinTenDays" name="DiscountPercentagePaymentForInvoicesWithinTenDays" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_FairValueOfWarrantsIssuedInConnectionWithSerieBPreferredStockSale" name="FairValueOfWarrantsIssuedInConnectionWithSerieBPreferredStockSale" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_AcquisitionRelatedContingentConsiderationMember" name="AcquisitionRelatedContingentConsiderationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_SaleOfStockConsiderationCommitmentFeeInShares" name="SaleOfStockConsiderationCommitmentFeeInShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_PaymentsForMasterSubscriptionAgreement" name="PaymentsForMasterSubscriptionAgreement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_DrAndrewPecoraMember" name="DrAndrewPecoraMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_DebtInstrumentPartialPayment" name="DebtInstrumentPartialPayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_RemainingDuePercentageNetFortyFivePaymentTerm" name="RemainingDuePercentageNetFortyFivePaymentTerm" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_ScheduleofyorkvilleshortTermdebtvaluationmodelTabletextblock" name="ScheduleofyorkvilleshortTermdebtvaluationmodelTabletextblock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_LicenseFeesPaymentPeriod" name="LicenseFeesPaymentPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_PercentageOfCouponRate" name="PercentageOfCouponRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_TwoThousandTwentyThreeRegisteredDirectWarrantsMember" name="TwoThousandTwentyThreeRegisteredDirectWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_DefinedContributionPlanAccruedAmountMatchingContributionNotMade" name="DefinedContributionPlanAccruedAmountMatchingContributionNotMade" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_InventoryImpairment" name="InventoryImpairment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_PaymentForMonth" name="PaymentForMonth" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_MinimumNumberOfSharesOfCommonStockPurchase" name="MinimumNumberOfSharesOfCommonStockPurchase" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_LicenseFeePayment" name="LicenseFeePayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_FairValueMeasurementWithUnobservableInputsReconciliationFairValueAdjustmentThroughInterestAccrual" name="FairValueMeasurementWithUnobservableInputsReconciliationFairValueAdjustmentThroughInterestAccrual" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_PropertyPlantAndEquipmentEstimatedUsefulLifes" name="PropertyPlantAndEquipmentEstimatedUsefulLifes" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_AwardsWithServiceConditionsMember" name="AwardsWithServiceConditionsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_RedemptionPremiumPercentageIfVolumeWeightedAveragePriceMoreThanStatedPrice" name="RedemptionPremiumPercentageIfVolumeWeightedAveragePriceMoreThanStatedPrice" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_ChangeInPIPESPACRelatedCostsCapturedInAccountsPayableAndAccruedExpenses" name="ChangeInPIPESPACRelatedCostsCapturedInAccountsPayableAndAccruedExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_RegisteredDirectOfferingMember" name="RegisteredDirectOfferingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_ValuationInputForShortTermDebtTerm" name="ValuationInputForShortTermDebtTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_MayTwoThousandTwentyTwoPrivateInvestmentInPublicEquityWarrantsMember" name="MayTwoThousandTwentyTwoPrivateInvestmentInPublicEquityWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_DenominatorWeightedAverageCommonStockSubjectToPossibleRedemptionAbstract" name="DenominatorWeightedAverageCommonStockSubjectToPossibleRedemptionAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_OptionToRenewLeaseTermPeriod" name="OptionToRenewLeaseTermPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_OneCustomerMember" name="OneCustomerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_InventoryReserveForObsolescenceAdditions" name="InventoryReserveForObsolescenceAdditions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_SaleOfBiomaterialProductsAmount" name="SaleOfBiomaterialProductsAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_RecentlyAdoptedAccountingPronouncementsPolicyTextBlock" name="RecentlyAdoptedAccountingPronouncementsPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_ImpactOfAdoptionOfASC842TableTextBlock" name="ImpactOfAdoptionOfASC842TableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_SummaryOfSignificantAccountingPoliciesTable" name="SummaryOfSignificantAccountingPoliciesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_AmendedEmploymentAgreementMember" name="AmendedEmploymentAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_LicenseAndDistributionAgreementsLineItems" name="LicenseAndDistributionAgreementsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_ReacquiredRightsMember" name="ReacquiredRightsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_FairValuesOfCommonStock" name="FairValuesOfCommonStock" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_NonCashLeaseExpense" name="NonCashLeaseExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_OperatingLeaseExpiryYear" name="OperatingLeaseExpiryYear" type="xbrli:gYearItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_ScheduleOfNetDeferredTaxAssetsAbstract" name="ScheduleOfNetDeferredTaxAssetsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_InitialNotePayment" name="InitialNotePayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_PercentageOfPaymentUponReceiptAndAcceptanceOfPurchaseOrder" name="PercentageOfPaymentUponReceiptAndAcceptanceOfPurchaseOrder" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_CVStarrCoIncMember" name="CVStarrCoIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_ValuationInputForConvertiblePromissoryNoteTerm" name="ValuationInputForConvertiblePromissoryNoteTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_AdvisoryAgreementMember" name="AdvisoryAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_IssuanceOfWarrantsOnSeniorSecuredBridgeLoan" name="IssuanceOfWarrantsOnSeniorSecuredBridgeLoan" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_ContingentConsiderationObligation" name="ContingentConsiderationObligation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_WarrantLiability" name="WarrantLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_SeriesBRedeemableConvertiblePreferredStocksMember" name="SeriesBRedeemableConvertiblePreferredStocksMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_AccruedResearchAndDevelopmentSoftware" name="AccruedResearchAndDevelopmentSoftware" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_EvolutionAgreementMember" name="EvolutionAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_MachineryEquipmentAndFixturesMember" name="MachineryEquipmentAndFixturesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_GXSponsorWarrantsMember" name="GXSponsorWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_LegacyGXWarrantMember" name="LegacyGXWarrantMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_ContingentValueRightIssuedForEachShare" name="ContingentValueRightIssuedForEachShare" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_AwardModificationExpense" name="AwardModificationExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_RegisteredDirectWarrantsIssuance" name="RegisteredDirectWarrantsIssuance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_PultheraLlcBindingTermSheetMember" name="PultheraLlcBindingTermSheetMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_InventoryImpairmentCharge" name="InventoryImpairmentCharge" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_PaymentSubscriptionPeriod" name="PaymentSubscriptionPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_CommitmentsAndContingenciesDetailsLineItems" name="CommitmentsAndContingenciesDetailsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_AmendedAndRestatedEmploymentAgreementMember" name="AmendedAndRestatedEmploymentAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_DebtInstrumentInterestRateDuringPeriodInEventOfDefault" name="DebtInstrumentInterestRateDuringPeriodInEventOfDefault" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_ChairmanAndChiefExecutiveOfficerMember" name="ChairmanAndChiefExecutiveOfficerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_SegmentContribution" name="SegmentContribution" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_LicenseAndDistributionAgreementsTable" name="LicenseAndDistributionAgreementsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_DebtInstrumentPaymentRemainingBalance" name="DebtInstrumentPaymentRemainingBalance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_StockOptionsVested" name="StockOptionsVested" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_MayTwoThousandTwentyThreePrivateInvestmentInPublicEquityWarrantsMember" name="MayTwoThousandTwentyThreePrivateInvestmentInPublicEquityWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_RedemptionPremiumPercentageIfVolumeWeightedAveragePriceIsLessThanStatedPrice" name="RedemptionPremiumPercentageIfVolumeWeightedAveragePriceIsLessThanStatedPrice" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_ProceedsFromIssuanceOfSeniorSecuredBridgeLoanAndWarrantsRelatedParty" name="ProceedsFromIssuanceOfSeniorSecuredBridgeLoanAndWarrantsRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_IncomeTaxDisclosureTable" name="IncomeTaxDisclosureTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_TrancheTwoWarrantMember" name="TrancheTwoWarrantMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_AprilTwoThousandTwentyThreeRegisteredDirectWarrantsMember" name="AprilTwoThousandTwentyThreeRegisteredDirectWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_InventoryTable" name="InventoryTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_PrePaidAdvanceIssuedDiscountPercentage" name="PrePaidAdvanceIssuedDiscountPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_AgreementTerminationDate" name="AgreementTerminationDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="celu_CustomerAMember" name="CustomerAMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_CommercialMilestonePayments" name="CommercialMilestonePayments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_OtherShortTermDebt" name="OtherShortTermDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_UnrestrictedCashAndCashEquivalents" name="UnrestrictedCashAndCashEquivalents" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_ScheduleOfFinancialInformationBySegmentAbstract" name="ScheduleOfFinancialInformationBySegmentAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_ChangeInFairValueOfContingentConsiderationLiability" name="ChangeInFairValueOfContingentConsiderationLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_ScheduleOfStockOptionsActivityAbstract" name="ScheduleOfStockOptionsActivityAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_OutstandingInvoiceMaountRefused" name="OutstandingInvoiceMaountRefused" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_RegeneronResearchCollaborationServicesAgreementMember" name="RegeneronResearchCollaborationServicesAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_AmendedAndRestatedDragasacWarrantsMember" name="AmendedAndRestatedDragasacWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_MsHaririMember" name="MsHaririMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_StockAndWarrantIssuedDuringPeriodValuePreferredStockAndWarrants" name="StockAndWarrantIssuedDuringPeriodValuePreferredStockAndWarrants" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_InventoryReserveCurrentAndNoncurrent" name="InventoryReserveCurrentAndNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_InitialTrancheMember" name="InitialTrancheMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_CellTherapyMember" name="CellTherapyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_DescriptionOfOrganizationAndBusinessOperationsDetailsLineItems" name="DescriptionOfOrganizationAndBusinessOperationsDetailsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_StockholdersEquityDetailsLineItems" name="StockholdersEquityDetailsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_IssuanceOfSeriesBConvertiblePreferredStockInConnectionWithCaricordAcquisition" name="IssuanceOfSeriesBConvertiblePreferredStockInConnectionWithCaricordAcquisition" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_GXAcquisitionCorpMember" name="GXAcquisitionCorpMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_PalantirTechnologiesIncMember" name="PalantirTechnologiesIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_DeferredTaxAssetsTaxCreditCarryforwardsResearchAndDevelopment" name="DeferredTaxAssetsTaxCreditCarryforwardsResearchAndDevelopment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_AmendedTerminationDateDescription" name="AmendedTerminationDateDescription" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_LLCAndAnthrogenesisMember" name="LLCAndAnthrogenesisMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_IncomeLoss" name="IncomeLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_CashPaidToSublicensor" name="CashPaidToSublicensor" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_RegulatoryMilestones" name="RegulatoryMilestones" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_WarrantsOutstanding" name="WarrantsOutstanding" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="celu_AtmRelatedCostsIncludedInAccountsPayableAndAccruedExpenses" name="AtmRelatedCostsIncludedInAccountsPayableAndAccruedExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_OptionFeeExpense" name="OptionFeeExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_OtherNonoperatingIncomeExpenses" name="OtherNonoperatingIncomeExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_InventoryGrossCurrentAndNoncurrent" name="InventoryGrossCurrentAndNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_TwoThousandAndTwentyOneAndTwoThousandAndSeventeenEquityIncentivePlanMember" name="TwoThousandAndTwentyOneAndTwoThousandAndSeventeenEquityIncentivePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_JuneTwoThousandTwentyThreeWarrantsMember" name="JuneTwoThousandTwentyThreeWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_StockIssuedDuringPeriodValuesShortTermDebtMaturityExtension" name="StockIssuedDuringPeriodValuesShortTermDebtMaturityExtension" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_WarrantLiabilitySponsorWarrants" name="WarrantLiabilitySponsorWarrants" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_FairValueAssetsLevelTwoToLevelOneTransfersAmountDuringPeriod" name="FairValueAssetsLevelTwoToLevelOneTransfersAmountDuringPeriod" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_PercentageOfSharesRequiredForVoting" name="PercentageOfSharesRequiredForVoting" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_ProvisionForInventoryObsolescence" name="ProvisionForInventoryObsolescence" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_FairValueNetAssetsLiability" name="FairValueNetAssetsLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesIssuedForFutureIssuanceAutomaticIncreasePeriod" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesIssuedForFutureIssuanceAutomaticIncreasePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_FairValueOfWarrants" name="FairValueOfWarrants" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_CedarKnollsNewJerseyMember" name="CedarKnollsNewJerseyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_DescriptionOfOrganizationAndBusinessOperationsDetailsTable" name="DescriptionOfOrganizationAndBusinessOperationsDetailsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_ClosingBidPriceOfCommonStockConsecutiveBusinessDays" name="ClosingBidPriceOfCommonStockConsecutiveBusinessDays" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_DeferredTaxAssetsCapitalizedResearchAndDevelopment" name="DeferredTaxAssetsCapitalizedResearchAndDevelopment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_FlorhamParkNewJerseyMember" name="FlorhamParkNewJerseyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_SupplyAndDistributionAgreementRenewalTerm" name="SupplyAndDistributionAgreementRenewalTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_ProceedsFromOtherShortTermDebtRelatedParty" name="ProceedsFromOtherShortTermDebtRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_AwardsWithPerformanceConditionsMember" name="AwardsWithPerformanceConditionsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_DegenerativeDiseaseMember" name="DegenerativeDiseaseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_FairValueAssetsOfYorkvilleDebtMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" name="FairValueAssetsOfYorkvilleDebtMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_IncomeTaxDisclosureLineItems" name="IncomeTaxDisclosureLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_ChangeInFairValueOfDebt" name="ChangeInFairValueOfDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_MarchTwoThousandTwentyThreePrivateInvestmentInPublicEquityWarrantsModifiedMember" name="MarchTwoThousandTwentyThreePrivateInvestmentInPublicEquityWarrantsModifiedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_SeriesBRedeemableConvertiblePreferredStockMember" name="SeriesBRedeemableConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_InProcessResearchAndDevelopmentImpairment" name="InProcessResearchAndDevelopmentImpairment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_MinimumRequiredDailyVolumeWeightedAveragePrice" name="MinimumRequiredDailyVolumeWeightedAveragePrice" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_EffectiveIncomeTaxRateReconciliationDeferredTrueUp" name="EffectiveIncomeTaxRateReconciliationDeferredTrueUp" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_InventoryRawMaterialsCurrentAndNoncurrent" name="InventoryRawMaterialsCurrentAndNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_DeferredTaxAssetsUnicap" name="DeferredTaxAssetsUnicap" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_ProceedsFromLinesOfCreditGross" name="ProceedsFromLinesOfCreditGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_LoanAgreement" name="LoanAgreement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_LegacyCelularityMember" name="LegacyCelularityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_UnitedStatesFederalAndStateMember" name="UnitedStatesFederalAndStateMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_RelatedPartyBaseSalary" name="RelatedPartyBaseSalary" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_ReductionInLineOfCredit" name="ReductionInLineOfCredit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_GrossProceedsFromIssuanceOfCommonStock" name="GrossProceedsFromIssuanceOfCommonStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_InitialMonthlyBaseRent" name="InitialMonthlyBaseRent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_UnrecognizedExpenseRelatedToPerformanceAwards" name="UnrecognizedExpenseRelatedToPerformanceAwards" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_ValuationinputforshortTermdebt" name="ValuationinputforshortTermdebt" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="celu_ShareIssuedPurchasedPrice" name="ShareIssuedPurchasedPrice" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="celu_ConcentrationsOfCreditRiskAndSignificantCustomersPolicyTextBlock" name="ConcentrationsOfCreditRiskAndSignificantCustomersPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_ForbearanceExtendMaturityPeriod" name="ForbearanceExtendMaturityPeriod" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_WarrantLiabilityAssumedAtClosingDate" name="WarrantLiabilityAssumedAtClosingDate" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_LicensingArrangementTerm" name="LicensingArrangementTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_ForbearanceAgreementMember" name="ForbearanceAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_BonusProgramEffectiveDate" name="BonusProgramEffectiveDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_StockIssuedDuringPeriodValueWarrantsExercised" name="StockIssuedDuringPeriodValueWarrantsExercised" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_CommercialLicenseToDentalProductsAgreementPeriod" name="CommercialLicenseToDentalProductsAgreementPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_AccumulatedOtherComprehensiveIncomeToOtherExpenseUponShortTermDebtConversion" name="AccumulatedOtherComprehensiveIncomeToOtherExpenseUponShortTermDebtConversion" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_InitialLoanMember" name="InitialLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_PrePaidAdvancePeriod" name="PrePaidAdvancePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_SummaryOfSignificantAccountingPoliciesLineItems" name="SummaryOfSignificantAccountingPoliciesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_SeriesARedeemableConvertiblePreferredStocksMember" name="SeriesARedeemableConvertiblePreferredStocksMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_CryoportSystemsIncMember" name="CryoportSystemsIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_PIPERelatedCostsIncludedInAccruedExpenses" name="PIPERelatedCostsIncludedInAccruedExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_ArthrexAgreementMember" name="ArthrexAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_ProceedsFromTheSaleOfCommonStockInAtmOffering" name="ProceedsFromTheSaleOfCommonStockInAtmOffering" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_MayTwoThousandTwentyTwoPrivateInvestmentinPublicEquityWarrantsAndAprilTwoThousandTwentyThreeRegisteredDirectWarrantMember" name="MayTwoThousandTwentyTwoPrivateInvestmentinPublicEquityWarrantsAndAprilTwoThousandTwentyThreeRegisteredDirectWarrantMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_CustomerTwoMember" name="CustomerTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_SupplyAndDistributionAgreementPeriod" name="SupplyAndDistributionAgreementPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_DiscountOnWarrantAmount" name="DiscountOnWarrantAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_AcquisitionRelatedMember" name="AcquisitionRelatedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_ScheduleOfInventoryCurrentAndNoncurrentTableTextBlock" name="ScheduleOfInventoryCurrentAndNoncurrentTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_LicenseAgreementDescription" name="LicenseAgreementDescription" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_MasterSubscriptionAgreementMember" name="MasterSubscriptionAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_RecapitalizationNetOfRedemptionsEquityIssuanceCostsAndMergerCostsShares" name="RecapitalizationNetOfRedemptionsEquityIssuanceCostsAndMergerCostsShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_CTHBiosourcingLLCMember" name="CTHBiosourcingLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_EvolutionMember" name="EvolutionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_ReductionToAdditionalPaidInCapital" name="ReductionToAdditionalPaidInCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_EffectiveIncomeTaxRateReconciliationInterestAccretionExpense" name="EffectiveIncomeTaxRateReconciliationInterestAccretionExpense" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_CommitmentsandContingenciesDetailsTable" name="CommitmentsandContingenciesDetailsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_DebtInstrumentInterestRateEffectivePercentageInEventOfDefault" name="DebtInstrumentInterestRateEffectivePercentageInEventOfDefault" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="celu_ShortTermDebtRelatedParties" name="ShortTermDebtRelatedParties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_SeriesXRedeemableConvertiblePreferredStocksMember" name="SeriesXRedeemableConvertiblePreferredStocksMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_SupplyAndDistributionAgreementForecastDescription" name="SupplyAndDistributionAgreementForecastDescription" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_FairValueAssetsLevelOneToLevelTwoTransfersAmountDuringPeriod" name="FairValueAssetsLevelOneToLevelTwoTransfersAmountDuringPeriod" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_ReductionOfResearchAndDevelopmentExpenseResultingFromGrant" name="ReductionOfResearchAndDevelopmentExpenseResultingFromGrant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_ChiefAdministrativeOfficerMember" name="ChiefAdministrativeOfficerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_DescriptionOfExercisePriceAndNumberOfSharesOfCommonStock" name="DescriptionOfExercisePriceAndNumberOfSharesOfCommonStock" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_TrancheOneWarrantMember" name="TrancheOneWarrantMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_ValuationModelThatRelateToSanuwaveCommonStock" name="ValuationModelThatRelateToSanuwaveCommonStock" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="celu_PercentageOfPremiumPrincipalAmount" name="PercentageOfPremiumPrincipalAmount" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_PrePaidAdvanceAgreementMember" name="PrePaidAdvanceAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_ResortsWorldIncPteLtdMember" name="ResortsWorldIncPteLtdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_SecondNotePayment" name="SecondNotePayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_OfficeSpaceMember" name="OfficeSpaceMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_UltraMISTSystemsReclassFromInventoryToFixedAsset" name="UltraMISTSystemsReclassFromInventoryToFixedAsset" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_AmortizableIntangibleAssetsAbstract" name="AmortizableIntangibleAssetsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_PrepaidClinicalExpense" name="PrepaidClinicalExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_DebtInstrumentAmountRequiredForPayment" name="DebtInstrumentAmountRequiredForPayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_DeferredTaxAssetsLegalFeeCapitalizationAndAmortization" name="DeferredTaxAssetsLegalFeeCapitalizationAndAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_WarrantLiabilityRegisteredDirectWarrantsTwo" name="WarrantLiabilityRegisteredDirectWarrantsTwo" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_PremiumPaidForPrivatePlacementPurchase" name="PremiumPaidForPrivatePlacementPurchase" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_DragasacWarrantsMember" name="DragasacWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_OperatingLeasesRentExpense" name="OperatingLeasesRentExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_AreaOfBuilding" name="AreaOfBuilding" type="dtr-types:areaItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_SponsorsWarrantsMember" name="SponsorsWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_IndirectExpenses" name="IndirectExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_ClosingBidPricePerShareOfCommonStockThreshold" name="ClosingBidPricePerShareOfCommonStockThreshold" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="celu_IssuanceOfCommonStockMinimumOptionPricePerShare" name="IssuanceOfCommonStockMinimumOptionPricePerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="celu_RedemptionPremiumPercentage" name="RedemptionPremiumPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_DebtInstrumentRemainingAmountRepayment" name="DebtInstrumentRemainingAmountRepayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_NewLineOfCredit" name="NewLineOfCredit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_SanuwaveForbearanceAgreementMember" name="SanuwaveForbearanceAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_FallInCashAndCashEquivalents" name="FallInCashAndCashEquivalents" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_ShortTermDebtPolicyTextBlock" name="ShortTermDebtPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_AssetAcquisitionsPolicyTextBlock" name="AssetAcquisitionsPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_BaseSalaryEffectiveDate" name="BaseSalaryEffectiveDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_AccruedComplianceFee" name="AccruedComplianceFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_ScheduleOfActivityInInventoryReservesTableTextBlock" name="ScheduleOfActivityInInventoryReservesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_ProceedsFromRWISeniorSecuredBridgeLoanAndWarrantsRelatedParty" name="ProceedsFromRWISeniorSecuredBridgeLoanAndWarrantsRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="celu_NumberOfSharesIssuedForPiggybackRegistrationRights" name="NumberOfSharesIssuedForPiggybackRegistrationRights" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="celu_StockholdersEquityDetailsTable" name="StockholdersEquityDetailsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="celu_DebtInstrumentPaymentPartialPayment" name="DebtInstrumentPaymentPartialPayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="celu_InventoryWorkInProgressCurrentAndNoncurrent" name="InventoryWorkInProgressCurrentAndNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
</xsd:schema>
