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  <xsd:element abstract="false" id="vcyt_DebtInstrumentPenaltyPercentageOnPrepaymentWithinOneYearOfOrigination" name="DebtInstrumentPenaltyPercentageOnPrepaymentWithinOneYearOfOrigination" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="false" id="vcyt_DebtInstrumentPenaltyPercentageOnPrepaymentWithinTwoYearsOfOrigination" name="DebtInstrumentPenaltyPercentageOnPrepaymentWithinTwoYearsOfOrigination" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="false" id="vcyt_DebtInstrumentPenaltyPercentageOnPrepaymentAfterTwoYearsOfOrigination" name="DebtInstrumentPenaltyPercentageOnPrepaymentAfterTwoYearsOfOrigination" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="false" id="vcyt_IncreaseDecreaseInAccruedLiabilitiesAndDeferredRent" name="IncreaseDecreaseInAccruedLiabilitiesAndDeferredRent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vcyt_ServicesAgreementAbstract" name="ServicesAgreementAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vcyt_EmployeeAndNonEmployeeStockOptionExcludingBonusCompensationMember" name="EmployeeAndNonEmployeeStockOptionExcludingBonusCompensationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="false" id="vcyt_ConcentrationsOfCreditAndOtherRisksAndUncertaintiesPolicyTextBlock" name="ConcentrationsOfCreditAndOtherRisksAndUncertaintiesPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vcyt_MedicareMember" name="MedicareMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vcyt_AetnaMember" name="AetnaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vcyt_UnitedHealthcareMember" name="UnitedHealthcareMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="false" id="vcyt_NumberOfMajorFinancialInstitutionsWithWhichCashAndCashEquivalentsDeposited" name="NumberOfMajorFinancialInstitutionsWithWhichCashAndCashEquivalentsDeposited" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="vcyt_AllowanceForDoubtfulAccountsAbstract" name="AllowanceForDoubtfulAccountsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="false" id="vcyt_TestingAndEvaluationServicesExpense" name="TestingAndEvaluationServicesExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <element id="vcyt_DebtInstrumentEndOfTermPaymentAmount" name="DebtInstrumentEndOfTermPaymentAmount" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element abstract="false" id="vcyt_DebtInstrumentEndOfTermPaymentAsPercentageOfTotalOutstandingPrincipal" name="DebtInstrumentEndOfTermPaymentAsPercentageOfTotalOutstandingPrincipal" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vcyt_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantRollForward" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantRollForward" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <element id="vcyt_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageGrantDateFairValue" nillable="true" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element abstract="true" id="vcyt_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vcyt_CollaborativeArrangementDisclosureAbstract" name="CollaborativeArrangementDisclosureAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vcyt_GenzymeCorporationMember" name="GenzymeCorporationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vcyt_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="false" id="vcyt_CollaborativeArrangementCoPromotionExpenses" name="CollaborativeArrangementCoPromotionExpenses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <element id="vcyt_CollaborativeArrangementOutstandingObligation" name="CollaborativeArrangementOutstandingObligation" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element abstract="true" id="vcyt_OrganizationConsolidationAndPresentationOfFinancialStatementsTable" name="OrganizationConsolidationAndPresentationOfFinancialStatementsTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <element id="vcyt_OrganizationConsolidationAndPresentationOfFinancialStatementsLineItems" name="OrganizationConsolidationAndPresentationOfFinancialStatementsLineItems" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_OtherIncomeRentReimbursement" name="OtherIncomeRentReimbursement" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_DebtInstrumentEndOfTermPaymentInterestAmount" name="DebtInstrumentEndOfTermPaymentInterestAmount" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_CollaborativeArrangementCoPromotionFeesPercentageOfCashReceipts" name="CollaborativeArrangementCoPromotionFeesPercentageOfCashReceipts" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_AllegroDiagnosticsCorpMember" name="AllegroDiagnosticsCorpMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInProcessResearchAndDevelopment" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInProcessResearchAndDevelopment" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_ScheduleOfComponentsOfAcquisitionConsiderationTableTextBlock" name="ScheduleOfComponentsOfAcquisitionConsiderationTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_BusinessAcquisitionNumberOfSharesReceivedForEachSubsidiaryShare" name="BusinessAcquisitionNumberOfSharesReceivedForEachSubsidiaryShare" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_BusinessAcquisitionRightToReceiveUponCancellationOfPreferredStockNumberOfShares" name="BusinessAcquisitionRightToReceiveUponCancellationOfPreferredStockNumberOfShares" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_BusinessAcquisitionRightToReceiveUponCancellationOfPreferredStockCash" name="BusinessAcquisitionRightToReceiveUponCancellationOfPreferredStockCash" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_IndefiniteLivedInProcessResearchAndDevelopment" name="IndefiniteLivedInProcessResearchAndDevelopment" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_PaymentsToAcquireBusinessesSettlementOfLiabilitiesIncurred" name="PaymentsToAcquireBusinessesSettlementOfLiabilitiesIncurred" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_InterestExpenseRelatedToIndebtednessOfAcquiredEntityMember" name="InterestExpenseRelatedToIndebtednessOfAcquiredEntityMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_TermLoanTrancheOneMember" name="TermLoanTrancheOneMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_TermLoanTrancheTwoMember" name="TermLoanTrancheTwoMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_TermLoanTrancheThreeMember" name="TermLoanTrancheThreeMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_NumberOfTranches" name="NumberOfTranches" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_TermLoanMember" name="TermLoanMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_TermLoanDue2017Member" name="TermLoanDue2017Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_DebtInstrumentPrepaymentPremium" name="DebtInstrumentPrepaymentPremium" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_DebtInstrumentThirdPartyFeeAmountPaid" name="DebtInstrumentThirdPartyFeeAmountPaid" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_LongTermDebtAndAccruedEndOfTermPayment" name="LongTermDebtAndAccruedEndOfTermPayment" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_CollaborativeArrangementCopromotionAfirmaThyroidDiagnosticSolutionMember" name="CollaborativeArrangementCopromotionAfirmaThyroidDiagnosticSolutionMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_CollaborativeArrangementCopromotionAfirmaGecMember" name="CollaborativeArrangementCopromotionAfirmaGecMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_AgreementTermsNonRenewalNoticePeriod" name="AgreementTermsNonRenewalNoticePeriod" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_HeadquartersAndLaboratoryFacilitiesSouthSanFranciscoMember" name="HeadquartersAndLaboratoryFacilitiesSouthSanFranciscoMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_CollaborativeArrangementCoPromotionFeesPercentageOfNetRevenue" name="CollaborativeArrangementCoPromotionFeesPercentageOfNetRevenue" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_CollaborativeArrangementTerm" name="CollaborativeArrangementTerm" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_LaboratoryFacilitiesAustinTexasMember" name="LaboratoryFacilitiesAustinTexasMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_ConcentrationRiskAbstract" name="ConcentrationRiskAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_RevenueRecognizedOnAccrualBasis" name="RevenueRecognizedOnAccrualBasis" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_RevenueRecognizedReceivedInCash" name="RevenueRecognizedReceivedInCash" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_EmployeeStockOptionExcludingBonusCompensationMember" name="EmployeeStockOptionExcludingBonusCompensationMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_NonEmployeeStockOptionMember" name="NonEmployeeStockOptionMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_LesseeLeasingArrangementsOperatingLeasesSpaceLeased" name="LesseeLeasingArrangementsOperatingLeasesSpaceLeased" nillable="true" type="num:areaItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_StockIssuedAndSoldDuringPeriodSharesInPrivatePlacement" name="StockIssuedAndSoldDuringPeriodSharesInPrivatePlacement" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_PlacementAgentFeesAndOtherExpenses" name="PlacementAgentFeesAndOtherExpenses" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_HeadquartersAndLaboratoryFacilitiesSouthSanFranciscoLeaseTwoMember" name="HeadquartersAndLaboratoryFacilitiesSouthSanFranciscoLeaseTwoMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsOther" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsOther" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_SalesRevenueGrossMember" name="SalesRevenueGrossMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_PreferredStockAbstract" name="PreferredStockAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_CommonStockAbstract" name="CommonStockAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_SecuritiesAvailableUnderShelfRegistrationStatement" name="SecuritiesAvailableUnderShelfRegistrationStatement" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_StockAvailableUnderShelfRegistrationStatementShares" name="StockAvailableUnderShelfRegistrationStatementShares" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_ShelfRegistrationMember" name="ShelfRegistrationMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_EmployeeStockPurchasePlanAbstract" name="EmployeeStockPurchasePlanAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_ShareBasedCompensationArrangementByShareBasedPaymentAwardOfferingPeriodMaximum" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOfferingPeriodMaximum" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumValueOfSharesPerEmployee" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumValueOfSharesPerEmployee" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_ReceivableTenantAllowance" name="ReceivableTenantAllowance" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_OperatingLeasesFutureStraightLineExpensePerQuarter" name="OperatingLeasesFutureStraightLineExpensePerQuarter" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_StockAvailableUnderShelfRegistrationStatementAmount" name="StockAvailableUnderShelfRegistrationStatementAmount" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_FiniteLivedIntangibleAssetsAnnualAmortizationExpense" name="FiniteLivedIntangibleAssetsAnnualAmortizationExpense" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_ProceedsFromIssuanceOfPrivatePlacementGross" name="ProceedsFromIssuanceOfPrivatePlacementGross" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="vcyt_ScheduleOfRevenueRecognitionCashAndAccrualBasisTableTextBlock" name="ScheduleOfRevenueRecognitionCashAndAccrualBasisTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
</xsd:schema>
