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  <xs:element id="icui_OtherOCOCMember" abstract="true" name="OtherOCOCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="icui_TariffExpense" abstract="false" name="TariffExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_OtherLATAMMember" abstract="true" name="OtherLATAMMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="icui_ForeignMember" abstract="true" name="ForeignMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="icui_RevenueToMedline" abstract="false" name="RevenueToMedline" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="icui_Optiontoextendinyears" abstract="false" name="Optiontoextendinyears" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="icui_StockIncentivePlansTable" abstract="true" name="StockIncentivePlansTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="icui_A2011PlanMember" abstract="true" name="A2011PlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="icui_StockIncentivePlansLineItems" abstract="true" name="StockIncentivePlansLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="icui_PerformanceSharesEarned" abstract="false" name="PerformanceSharesEarned" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="icui_Grantdatefairvalueperformancerestrictedstockunits" abstract="false" name="Grantdatefairvalueperformancerestrictedstockunits" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_Grantdatefairvalueofrestrictedstockunitsgranted" abstract="false" name="Grantdatefairvalueofrestrictedstockunitsgranted" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_ModifiedPRSUIncrementalExpense" abstract="false" name="ModifiedPRSUIncrementalExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_RestrictedStockAndPerformanceRestrictedStockUnitsMember" abstract="true" name="RestrictedStockAndPerformanceRestrictedStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="icui_Changeinunitsduetoperformanceexpectations" abstract="false" name="Changeinunitsduetoperformanceexpectations" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="icui_A2023PRSUGoalShares" abstract="false" name="A2023PRSUGoalShares" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="icui_A2024PRSUGoalShares" abstract="false" name="A2024PRSUGoalShares" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="icui_A2025PRSUGoalShares" abstract="false" name="A2025PRSUGoalShares" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="icui_Srt_MultipleCurrencyAxisAxis" abstract="true" name="Srt_MultipleCurrencyAxisAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="icui_Srt_MultipleCurrencyAxisDomain" abstract="true" name="Srt_MultipleCurrencyAxisDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="icui_OtherCurrenciesMember" abstract="true" name="OtherCurrenciesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="icui_UsGaap_InterestRateSwap2Member" abstract="true" name="UsGaap_InterestRateSwap2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="icui_UsGaap_InterestRateSwap3Member" abstract="true" name="UsGaap_InterestRateSwap3Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="icui_DerivativeInterestRateFloor" abstract="false" name="DerivativeInterestRateFloor" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="icui_HedgingIneffectivenessRecognizedInEarnings" abstract="false" name="HedgingIneffectivenessRecognizedInEarnings" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_PursuitVascularInc.Member" abstract="true" name="PursuitVascularInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="icui_ForeignDistibutorMember" abstract="true" name="ForeignDistibutorMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="icui_ForeignInfusionSystemSupplierMember" abstract="true" name="ForeignInfusionSystemSupplierMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="icui_Contingentconsiderationgross" abstract="false" name="Contingentconsiderationgross" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_ShortTermContingentConsiderationGross" abstract="false" name="ShortTermContingentConsiderationGross" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_LongTermContingentConsiderationGross" abstract="false" name="LongTermContingentConsiderationGross" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_SmithsMedicalMember" abstract="true" name="SmithsMedicalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="icui_OwnershipRequirementForEarnoutPayment" abstract="false" name="OwnershipRequirementForEarnoutPayment" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="icui_OtherTransfer" abstract="false" name="OtherTransfer" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_CurrencyTranslationOnEarnOut" abstract="false" name="CurrencyTranslationOnEarnOut" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_PrepaidAssetsCurrentTable" abstract="true" name="PrepaidAssetsCurrentTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="icui_PrepaidAssetsCurrentLineItems" abstract="true" name="PrepaidAssetsCurrentLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="icui_Prepaidinsuranceandpropertytaxes" abstract="false" name="Prepaidinsuranceandpropertytaxes" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_AccruedSalariesAndBenefits" abstract="false" name="AccruedSalariesAndBenefits" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_AccruedLiabilityItalyPaymentScheme" abstract="false" name="AccruedLiabilityItalyPaymentScheme" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_AccruedProductFieldAction." abstract="false" name="AccruedProductFieldAction." nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_InterestPercentageAddedToFederalFundsRate" abstract="false" name="InterestPercentageAddedToFederalFundsRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="icui_InterestPercentageAddedToBaseRate" abstract="false" name="InterestPercentageAddedToBaseRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="icui_RevolverSubLimits" abstract="false" name="RevolverSubLimits" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_LongTermDebtTypeTable" abstract="true" name="LongTermDebtTypeTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="icui_TermLoanAxis" abstract="true" name="TermLoanAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="icui_TermLoanDomain" abstract="true" name="TermLoanDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="icui_TermLoanAMember" abstract="true" name="TermLoanAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="icui_TermLoanBMember" abstract="true" name="TermLoanBMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="icui_LongTermDebtTypeLineItems" abstract="true" name="LongTermDebtTypeLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="icui_ApplicableMarginBaseRateLoans" abstract="false" name="ApplicableMarginBaseRateLoans" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="icui_ApplicableMarginTermSOFRLoans" abstract="false" name="ApplicableMarginTermSOFRLoans" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="icui_TermSOFRAdjustmentInterestRateAdjustmentTermSOFRLoans" abstract="false" name="TermSOFRAdjustmentInterestRateAdjustmentTermSOFRLoans" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="icui_TerSOFRInterestRateAdjustmentForBaseRateLoans" abstract="false" name="TerSOFRInterestRateAdjustmentForBaseRateLoans" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="icui_FeeStatusAxis" abstract="true" name="FeeStatusAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="icui_FeeStatusDomain" abstract="true" name="FeeStatusDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="icui_OldCreditFacilityUnamortizedIssuanceCostsExtinguishedMember" abstract="true" name="OldCreditFacilityUnamortizedIssuanceCostsExtinguishedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="icui_NewLenderFeesCapitalizedMember" abstract="true" name="NewLenderFeesCapitalizedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="icui_RolloverCapitalizationMember" abstract="true" name="RolloverCapitalizationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="icui_DebtDiscountCosts" abstract="false" name="DebtDiscountCosts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_DebtDiscountLineOfCredit" abstract="false" name="DebtDiscountLineOfCredit" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_CapitalizedDebtIssuanceCostsToSurviveRefinancing" abstract="false" name="CapitalizedDebtIssuanceCostsToSurviveRefinancing" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_TotalNewlyCapitalizedDebtIssuanceCosts" abstract="false" name="TotalNewlyCapitalizedDebtIssuanceCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_TotalDebtExtinguishmentExpense" abstract="false" name="TotalDebtExtinguishmentExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_ApplicableMarginBasedOnLeverageRatioTable" abstract="true" name="ApplicableMarginBasedOnLeverageRatioTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="icui_LeverageRatioLevelAxis" abstract="true" name="LeverageRatioLevelAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="icui_LeverageRatioLevelDomain" abstract="true" name="LeverageRatioLevelDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="icui_Greaterthan400to100Member" abstract="true" name="Greaterthan400to100Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="icui_LessThanOrEqualTo400To100ButGreaterThan300To100Member" abstract="true" name="LessThanOrEqualTo400To100ButGreaterThan300To100Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="icui_LessThanOrEqual300To100ButGreaterThan250to100Member" abstract="true" name="LessThanOrEqual300To100ButGreaterThan250to100Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="icui_LessThanOrEqualTo250To100ButGreaterThan200To100Member" abstract="true" name="LessThanOrEqualTo250To100ButGreaterThan200To100Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="icui_LessThanOrEqualTo2.00To1.00ButGreaterThan1.75To1.0Member" abstract="true" name="LessThanOrEqualTo2.00To1.00ButGreaterThan1.75To1.0Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="icui_LessThanOrEqualTo1.75To1.0Member" abstract="true" name="LessThanOrEqualTo1.75To1.0Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="icui_ApplicableMarginBasedOnLeverageRatioLineItems" abstract="true" name="ApplicableMarginBasedOnLeverageRatioLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="icui_ApplicableMarginForEurocurrencyRateLoansAndRFRLoans" abstract="false" name="ApplicableMarginForEurocurrencyRateLoansAndRFRLoans" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="icui_GreaterThan275To100Member" abstract="true" name="GreaterThan275To100Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="icui_LessThan275To100Member" abstract="true" name="LessThan275To100Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="icui_DebtInstrumentAdditionalPrepaymentPrincipal" abstract="false" name="DebtInstrumentAdditionalPrepaymentPrincipal" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_TermAPrincipalPaymentFirst2Years" abstract="false" name="TermAPrincipalPaymentFirst2Years" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="icui_TermAPrincipalPaymentYear3And4" abstract="false" name="TermAPrincipalPaymentYear3And4" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="icui_TermAPrincipalPaymentInYear5" abstract="false" name="TermAPrincipalPaymentInYear5" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="icui_TermLoanBPrincipalPayment" abstract="false" name="TermLoanBPrincipalPayment" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="icui_EffectiveIncomeTaxRateReconciliationContingentConsideration" abstract="false" name="EffectiveIncomeTaxRateReconciliationContingentConsideration" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_EffectiveIncomeTaxRateReconciliationContingentConsiderationPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationContingentConsiderationPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="icui_Effectiveincometaxreconciliationnondeductiblecompensation" abstract="false" name="Effectiveincometaxreconciliationnondeductiblecompensation" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_Effectivetaxratereconciliationnondeductiblecomppercent" abstract="false" name="Effectivetaxratereconciliationnondeductiblecomppercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="icui_EffectiveIncomeTaxRateReconciliationTaxReserveReleases" abstract="false" name="EffectiveIncomeTaxRateReconciliationTaxReserveReleases" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_EffectiveIncomeTaxRateReconciliationTaxReserveReleasesPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationTaxReserveReleasesPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="icui_EffectiveIncomeTaxRateReconciliationLegalSettlement" abstract="false" name="EffectiveIncomeTaxRateReconciliationLegalSettlement" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_EffectiveIncomeTaxRateReconciliationLegalSettlementPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationLegalSettlementPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="icui_IncomeTaxDisclosuredeferredtaxesAbstract" abstract="true" name="IncomeTaxDisclosuredeferredtaxesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="icui_DeferredtaxassetsandliabilitiesTable" abstract="true" name="DeferredtaxassetsandliabilitiesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="icui_NonCurrentDeferredTaxAssetGrossTotalMember" abstract="true" name="NonCurrentDeferredTaxAssetGrossTotalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="icui_NoncurrentDeferredTaxLiabilityMember" abstract="true" name="NoncurrentDeferredTaxLiabilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="icui_DeferredtaxassetsandliabilitiesLineItems" abstract="true" name="DeferredtaxassetsandliabilitiesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="icui_Noncurrentdeferredtaxassetacquiredfuturetaxdeductions" abstract="false" name="Noncurrentdeferredtaxassetacquiredfuturetaxdeductions" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_NoncurrentDeferredTaxAssetTaxCreditsState" abstract="false" name="NoncurrentDeferredTaxAssetTaxCreditsState" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_DeferredTaxAssetSection163j" abstract="false" name="DeferredTaxAssetSection163j" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_Noncurrentdeferredtaxassetchargebacksdiscountscustomerconcessions" abstract="false" name="Noncurrentdeferredtaxassetchargebacksdiscountscustomerconcessions" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_Noncurrentdeferredtaxasset" abstract="false" name="Noncurrentdeferredtaxasset" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_NoncurrentDeferredTaxLiabilityStateIncomeTaxes" abstract="false" name="NoncurrentDeferredTaxLiabilityStateIncomeTaxes" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_NoncurrentDeferredTaxLiabilityDepreciationAndAmortization" abstract="false" name="NoncurrentDeferredTaxLiabilityDepreciationAndAmortization" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_OperatinglosscarryforwardsAbstract" abstract="true" name="OperatinglosscarryforwardsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="icui_UsGaap_DeferredTaxAssetsOperatingLossCarryforwardsNet" abstract="false" name="UsGaap_DeferredTaxAssetsOperatingLossCarryforwardsNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_UnrecognizedTaxBenefitsRollForwardRollForward" abstract="true" name="UnrecognizedTaxBenefitsRollForwardRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="icui_UsGaap_ReleasedUnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense" abstract="false" name="UsGaap_ReleasedUnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_UsGaap_ReleasedUnrecognizedTaxBenefitsIncomeTaxPenaltiesExpense" abstract="false" name="UsGaap_ReleasedUnrecognizedTaxBenefitsIncomeTaxPenaltiesExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_IncomeTaxesPaidTable" abstract="true" name="IncomeTaxesPaidTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="icui_IncomeTaxesPaidLineItems" abstract="true" name="IncomeTaxesPaidLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="icui_AccountsReceivablePurchaseProgram" abstract="false" name="AccountsReceivablePurchaseProgram" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_TradeReceivablesSold" abstract="false" name="TradeReceivablesSold" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_CashReceivedInExchangeForTradeReceivablesSold" abstract="false" name="CashReceivedInExchangeForTradeReceivablesSold" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_WarrantyAndReturnReserveInventory" abstract="false" name="WarrantyAndReturnReserveInventory" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_WarrantyAndReturnReserveCosts" abstract="false" name="WarrantyAndReturnReserveCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_WarrantyAndReturnReserveInventoryChargedToOtherAccounts" abstract="false" name="WarrantyAndReturnReserveInventoryChargedToOtherAccounts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="icui_WarrantyAndReturnReserveInventoryWriteOffs" abstract="false" name="WarrantyAndReturnReserveInventoryWriteOffs" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
