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  <xsd:element abstract="true" id="bio_SalesmilestonepercentageofannualinvoicesMember" name="SalesmilestonepercentageofannualinvoicesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bio_SalesmilestonepercentageofannualinvoiceslowMember" name="SalesmilestonepercentageofannualinvoiceslowMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bio_SeniorNotes4.875due2020Member" name="SeniorNotes4.875due2020Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="bio_SettlementwiththeSECandDOJrelatingtotheFCPAincludinginterest" name="SettlementwiththeSECandDOJrelatingtotheFCPAincludinginterest" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="bio_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeContributionAmount" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeContributionAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="bio_ShorttermRestrictedInvestmentsPolicyTextBlock" name="ShorttermRestrictedInvestmentsPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bio_StockAwardPlansMember" name="StockAwardPlansMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bio_StockOptionAndAwardPlansMember" name="StockOptionAndAwardPlansMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="bio_TolerablevarianceLevel2debtsecuritypricing" name="TolerablevarianceLevel2debtsecuritypricing" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bio_TreasuryClassAMember" name="TreasuryClassAMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bio_TreasuryClassBMember" name="TreasuryClassBMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
</xsd:schema>
