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  <xsd:element id="ingn_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerSharePriceVestedAndExpectedToVest" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPerSharePriceVestedAndExpectedToVest" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ingn_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpiredInPeriodWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpiredInPeriodWeightedAverageExercisePrice" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ingn_StockIssuedDuringPeriodSharesStockOptionsExpired" name="StockIssuedDuringPeriodSharesStockOptionsExpired" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ingn_StockIssuedDuringPeriodSharesVestingOfRestrictedStockUnits" name="StockIssuedDuringPeriodSharesVestingOfRestrictedStockUnits" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ingn_StockIssuedDuringPeriodValueVestingOfRestrictedStockUnits" name="StockIssuedDuringPeriodValueVestingOfRestrictedStockUnits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ingn_TransferOfInventoryToRentalEquipment" name="TransferOfInventoryToRentalEquipment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ingn_WeightedAverageNumberOfDilutedSharesOutstandingBasedOnNetLoss" name="WeightedAverageNumberOfDilutedSharesOutstandingBasedOnNetLoss" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ingn_BusinessOverviewDisclosuresLineItems" name="BusinessOverviewDisclosuresLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_CommitmentsAndContingenciesLineItems" name="CommitmentsAndContingenciesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_ScheduleOfBalanceSheetComponentsLineItems" name="ScheduleOfBalanceSheetComponentsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_BusinessToBusinessAndOtherReceivablesMember" name="BusinessToBusinessAndOtherReceivablesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_BusinessToBusinessReceivablesMember" name="BusinessToBusinessReceivablesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_CommercialMember" name="CommercialMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_ComputerEquipmentAndSoftwareMember" name="ComputerEquipmentAndSoftwareMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_ConstructionInProgressAndComputerSoftwareMember" name="ConstructionInProgressAndComputerSoftwareMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_CostOfRevenueMember" name="CostOfRevenueMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_CustomerOneMember" name="CustomerOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_CustomerTwoMember" name="CustomerTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_InogenEuropeHoldingBVMember" name="InogenEuropeHoldingBVMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_LicensesMember" name="LicensesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_LifetimeWarrantiesMember" name="LifetimeWarrantiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_ManufacturingEquipmentAndToolingMember" name="ManufacturingEquipmentAndToolingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_MeasurementInputMarketPriceOfRiskMember" name="MeasurementInputMarketPriceOfRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_MeasurementInputRevenueVolatilityMember" name="MeasurementInputRevenueVolatilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_MeasurementInputTwentyYearRiskFreeRateMember" name="MeasurementInputTwentyYearRiskFreeRateMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_MeasurementInputWeightedAverageCostOfCapitalMember" name="MeasurementInputWeightedAverageCostOfCapitalMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_MedicaresServiceReimbursementProgramsMember" name="MedicaresServiceReimbursementProgramsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_PatentsAndWebsitesMember" name="PatentsAndWebsitesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_PerformanceAndTimeBasedRestrictedStockAwardsMember" name="PerformanceAndTimeBasedRestrictedStockAwardsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_PerformanceAndTimeBasedRestrictedStockUnitsMember" name="PerformanceAndTimeBasedRestrictedStockUnitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_RentalMember" name="RentalMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_RentalRevenuesMember" name="RentalRevenuesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_RestrictedStockUnitsAndRestrictedStockAwardsMember" name="RestrictedStockUnitsAndRestrictedStockAwardsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_TimeBasedRestrictedStockAwardsMember" name="TimeBasedRestrictedStockAwardsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_TimeBasedRestrictedStockUnitsMember" name="TimeBasedRestrictedStockUnitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_TwoThousandAndFourteenEmployeeStockPurchasePlanMember" name="TwoThousandAndFourteenEmployeeStockPurchasePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_TwoThousandAndFourteenEquityIncentivePlanMember" name="TwoThousandAndFourteenEquityIncentivePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_TwoThousandAndTwelveEquityIncentivePlanMember" name="TwoThousandAndTwelveEquityIncentivePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_TwoThousandAndTwelveStockIncentivePlanMember" name="TwoThousandAndTwelveStockIncentivePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_VendorOneMember" name="VendorOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_VendorThreeMember" name="VendorThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_VendorTwoMember" name="VendorTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_BusinessOverviewDisclosuresTable" name="BusinessOverviewDisclosuresTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_CommitmentsAndContingenciesTable" name="CommitmentsAndContingenciesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_ScheduleOfBalanceSheetComponentsTable" name="ScheduleOfBalanceSheetComponentsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ingn_ScheduleOfDepreciationAndAmortizationComputedUsingStraightLineMethodOverEstimatedUsefulLivesOfAssetsTableTextBlock" name="ScheduleOfDepreciationAndAmortizationComputedUsingStraightLineMethodOverEstimatedUsefulLivesOfAssetsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ingn_ScheduleOfDepreciationAndAmortizationExpenseTableTextBlock" name="ScheduleOfDepreciationAndAmortizationExpenseTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ingn_ScheduleOfEmployeeRelatedLiabilitiesCurrentTableTextBlock" name="ScheduleOfEmployeeRelatedLiabilitiesCurrentTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ingn_ScheduleOfNetAccountsReceivableTableTextBlock" name="ScheduleOfNetAccountsReceivableTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
</xsd:schema>
