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  <xs:element id="amgn_AmountByWhichBorrowingCapacityUnderSyndicatedUnsecuredRevolvingCreditAgreementMayBeIncreasedUponOurRequestAtDiscretionOfBanks" abstract="false" name="AmountByWhichBorrowingCapacityUnderSyndicatedUnsecuredRevolvingCreditAgreementMayBeIncreasedUponOurRequestAtDiscretionOfBanks" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="amgn_LineOfCreditFacilityInitialCommitmentTerm" abstract="false" name="LineOfCreditFacilityInitialCommitmentTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="amgn_LineOfCreditFacilityNumberOfRenewalOptions" abstract="false" name="LineOfCreditFacilityNumberOfRenewalOptions" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="amgn_LineOfCreditFacilityExtensionOfCommitmentTerm" abstract="false" name="LineOfCreditFacilityExtensionOfCommitmentTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="amgn_LongTermDebtMaturitiesRepaymentsOfPrincipalNet" abstract="false" name="LongTermDebtMaturitiesRepaymentsOfPrincipalNet" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="amgn_AccumulatedOtherAdjustmentAttributabletoParentMember" abstract="true" name="AccumulatedOtherAdjustmentAttributabletoParentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="amgn_OtherComprehensiveIncomeLossOtherAdjustmentBeforeTax" abstract="false" name="OtherComprehensiveIncomeLossOtherAdjustmentBeforeTax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="amgn_DerivativeAssetsFairValueDisclosureAbstract" abstract="true" name="DerivativeAssetsFairValueDisclosureAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="amgn_DerivativeFinancialInstrumentsLiabilitiesFairValueDisclosureAbstract" abstract="true" name="DerivativeFinancialInstrumentsLiabilitiesFairValueDisclosureAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="amgn_BusinessCombinationContingentConsiderationRollForward" abstract="true" name="BusinessCombinationContingentConsiderationRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="amgn_BusinessCombinationFairValueofContingentConsiderationArrangementsAdditionfromAcquisitions" abstract="false" name="BusinessCombinationFairValueofContingentConsiderationArrangementsAdditionfromAcquisitions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="amgn_BusinessCombinationContingentConsiderationArrangementsPayments" abstract="false" name="BusinessCombinationContingentConsiderationArrangementsPayments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="amgn_ForeignCurrencyAndCrossCurrencySwapsMember" abstract="true" name="ForeignCurrencyAndCrossCurrencySwapsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="amgn_A525NotesDue2033Member" abstract="true" name="A525NotesDue2033Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="amgn_A3.125NotesDueIn2025Member" abstract="true" name="A3.125NotesDueIn2025Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="amgn_ForwardInterestRateContractMember" abstract="true" name="ForwardInterestRateContractMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="amgn_LongTermDebtCurrentMaturitiesMember" abstract="true" name="LongTermDebtCurrentMaturitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="amgn_HedgedLiabilityDiscontinuedFairValueHedge" abstract="false" name="HedgedLiabilityDiscontinuedFairValueHedge" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="amgn_OtherCurrentNoncurrentAssetsMember" abstract="true" name="OtherCurrentNoncurrentAssetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="amgn_AccruedLiabilitiesOtherNonCurrentLiabilitiesMember" abstract="true" name="AccruedLiabilitiesOtherNonCurrentLiabilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="amgn_CompensatoryDamagesMember" abstract="true" name="CompensatoryDamagesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="amgn_PunitiveDamagesMember" abstract="true" name="PunitiveDamagesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="amgn_LossContingencyNumberOfCountries" abstract="false" name="LossContingencyNumberOfCountries" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="amgn_LossContingencyNumberOfLitigationCases" abstract="false" name="LossContingencyNumberOfLitigationCases" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="amgn_LossContingencyNumberOfStatesInWhichClaimsArePresent" abstract="false" name="LossContingencyNumberOfStatesInWhichClaimsArePresent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="amgn_LossContingencyNumberOfAdditionalClaims" abstract="false" name="LossContingencyNumberOfAdditionalClaims" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="amgn_LossContingencyNumberOfSecuritiesCases" abstract="false" name="LossContingencyNumberOfSecuritiesCases" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="amgn_TaxCutsAndJobsActOf2017IncompleteAccountingNumberOfAnnualInstallments" abstract="false" name="TaxCutsAndJobsActOf2017IncompleteAccountingNumberOfAnnualInstallments" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="amgn_TaxCutsAndJobsActof2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsProvisionalLiabilityNextTwelveMonths" abstract="false" name="TaxCutsAndJobsActof2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsProvisionalLiabilityNextTwelveMonths" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
