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  <xs:element id="vcyt_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndNonOptionEquityInstrumentsExercisesInPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndNonOptionEquityInstrumentsExercisesInPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="vcyt_ShareBasedCompensationArrangementByShareBasedPaymentAwardValueOptionsAndNonOptionEquityInstrumentsExercisesInPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardValueOptionsAndNonOptionEquityInstrumentsExercisesInPeriod" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vcyt_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationEmployee" abstract="false" name="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationEmployee" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vcyt_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationESPP" abstract="false" name="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationESPP" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vcyt_OtherNoncashDeferredIncomeTaxExpenseBenefit" abstract="false" name="OtherNoncashDeferredIncomeTaxExpenseBenefit" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vcyt_NoncashLeaseExpense" abstract="false" name="NoncashLeaseExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vcyt_IncreaseDecreaseInAccruedLiabilitiesAndDeferredRevenue" abstract="false" name="IncreaseDecreaseInAccruedLiabilitiesAndDeferredRevenue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vcyt_ConcentrationsOfCreditAndOtherRisksAndUncertaintiesPolicyTextBlock" abstract="false" name="ConcentrationsOfCreditAndOtherRisksAndUncertaintiesPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="vcyt_AmortizationOfIntangibleAssetsMember" abstract="true" name="AmortizationOfIntangibleAssetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vcyt_TestingOtherMember" abstract="true" name="TestingOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vcyt_MajorCustomersMember" abstract="true" name="MajorCustomersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vcyt_MedicareMember" abstract="true" name="MedicareMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vcyt_UnitedHealthcareMember" abstract="true" name="UnitedHealthcareMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vcyt_BiopharmaceuticalAndOtherBiopharmaceuticalRevenueMember" abstract="true" name="BiopharmaceuticalAndOtherBiopharmaceuticalRevenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vcyt_BiopharmaceuticalAndOtherContractManufacturingAndTestingMember" abstract="true" name="BiopharmaceuticalAndOtherContractManufacturingAndTestingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vcyt_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAbstract" abstract="true" name="AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="vcyt_PerceptaProductTechnologyMember" abstract="true" name="PerceptaProductTechnologyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vcyt_ProsignaProductTechnologyMember" abstract="true" name="ProsignaProductTechnologyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vcyt_DecipherProductTechnologyMember" abstract="true" name="DecipherProductTechnologyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vcyt_DecipherTradeNamesMember" abstract="true" name="DecipherTradeNamesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vcyt_C2iDevelopedTechnologyMember" abstract="true" name="C2iDevelopedTechnologyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vcyt_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour" abstract="false" name="FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vcyt_NanostringMember" abstract="true" name="NanostringMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vcyt_BusinessCombinationContingentConsiderationLiabilityFairValueAdjustment" abstract="false" name="BusinessCombinationContingentConsiderationLiabilityFairValueAdjustment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vcyt_MeasurementInputProbabilityOfAchievementMember" abstract="true" name="MeasurementInputProbabilityOfAchievementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vcyt_LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour" abstract="false" name="LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vcyt_EmployeeAndNonEmployeeStockOptionMember" abstract="true" name="EmployeeAndNonEmployeeStockOptionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vcyt_OtherNonoperatingIncomeExpenseInterestIncome" abstract="false" name="OtherNonoperatingIncomeExpenseInterestIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vcyt_OtherNonoperatingIncomeExpenseEscrowClaimsSettlement" abstract="false" name="OtherNonoperatingIncomeExpenseEscrowClaimsSettlement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vcyt_OtherNonoperatingIncomeExpenseInterestExpense" abstract="false" name="OtherNonoperatingIncomeExpenseInterestExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vcyt_OtherNonoperatingIncomeExpenseForeignCurrencyTranslationGainLoss" abstract="false" name="OtherNonoperatingIncomeExpenseForeignCurrencyTranslationGainLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vcyt_OtherNonoperatingIncomeExpenseOther" abstract="false" name="OtherNonoperatingIncomeExpenseOther" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vcyt_ReportableSegmentMember" abstract="true" name="ReportableSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vcyt_CostOfRevenueLaboratorySuppliesAndReagentsExpense" abstract="false" name="CostOfRevenueLaboratorySuppliesAndReagentsExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vcyt_CostOfRevenueSampleCollectionExpense" abstract="false" name="CostOfRevenueSampleCollectionExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vcyt_CostOfRevenueCompensationExpense" abstract="false" name="CostOfRevenueCompensationExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vcyt_CostOfRevenueLicenseFeesAndRoyalties" abstract="false" name="CostOfRevenueLicenseFeesAndRoyalties" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vcyt_CostOfRevenueAllocationOfFacilitiesAndInformationTechnologyExpenses" abstract="false" name="CostOfRevenueAllocationOfFacilitiesAndInformationTechnologyExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vcyt_DirectOperatingExpenses" abstract="false" name="DirectOperatingExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vcyt_OperatingExpensesAllocationOfFacilitiesAndInformationTechnologyExpenses" abstract="false" name="OperatingExpensesAllocationOfFacilitiesAndInformationTechnologyExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
