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    <element id="IDXG_DisclosureLiquidityAbstract" name="DisclosureLiquidityAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="IDXG_LiquidityTextBlock" name="LiquidityTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="IDXG_DisclosureLeasesAbstract" name="DisclosureLeasesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="IDXG_FinancingAndPaymentPolicyTextBlock" name="FinancingAndPaymentPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="IDXG_CostsToObtainOrFulfillCustomerContractPolicyTextBlock" name="CostsToObtainOrFulfillCustomerContractPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="IDXG_OtherCurrentAssetsPolicyTextBlock" name="OtherCurrentAssetsPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="IDXG_ScheduleOfOperatingLeasesAssetsAndLiabilitiesTableTextBlock" name="ScheduleOfOperatingLeasesAssetsAndLiabilitiesTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="IDXG_AccruedLabCosts" name="AccruedLabCosts" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="IDXG_OthersAccruedExpensesCurrent" name="OthersAccruedExpensesCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="IDXG_FixedCostOfRevenue" name="FixedCostOfRevenue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="IDXG_VariableCostOfRevenue" name="VariableCostOfRevenue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="IDXG_InterestOtherExpenseNet" name="InterestOtherExpenseNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="IDXG_FairValueAdjustmentOfNotePayable" name="FairValueAdjustmentOfNotePayable" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="IDXG_AdjustedEBITDAFromContinuingOperations" name="AdjustedEBITDAFromContinuingOperations" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="IDXG_TaxesAccruedForRepurchaseOfRestrictedShares" name="TaxesAccruedForRepurchaseOfRestrictedShares" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="IDXG_AccruedSeriesCIssuanceCosts" name="AccruedSeriesCIssuanceCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="IDXG_StockIssuanceCosts" name="StockIssuanceCosts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="IDXG_PreferredStockStatedValue" name="PreferredStockStatedValue" nillable="true" xbrli:periodType="instant" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
</schema>
