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  <xs:element id="wgs_IncreaseInCommonStockCapitalSharesReservedForFutureIssuance" abstract="false" name="IncreaseInCommonStockCapitalSharesReservedForFutureIssuance" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="wgs_ConversionOfStockConversionRatio" abstract="false" name="ConversionOfStockConversionRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="wgs_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockPlanOfferingPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardStockPlanOfferingPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="wgs_EffectiveIncomeTaxRateReconciliationEstimatedAnnualPercentage" abstract="false" name="EffectiveIncomeTaxRateReconciliationEstimatedAnnualPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wgs_EmployeeStockOptionAndRestrictedStockUnitsMember" abstract="true" name="EmployeeStockOptionAndRestrictedStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wgs_ThirdPartyPayorReserveCurrent" abstract="false" name="ThirdPartyPayorReserveCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wgs_AccruedSeveranceCurrent" abstract="false" name="AccruedSeveranceCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wgs_WarrantLiability" abstract="false" name="WarrantLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wgs_ThirdPartyPayorReserveNonCurrent" abstract="false" name="ThirdPartyPayorReserveNonCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wgs_AtMarketOfferingMember" abstract="true" name="AtMarketOfferingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wgs_SaleOfStockAvailableRemainingCapacityAmount" abstract="false" name="SaleOfStockAvailableRemainingCapacityAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wgs_AdjustedCostOfGoodSold" abstract="false" name="AdjustedCostOfGoodSold" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wgs_AdjustedGrossMargin" abstract="false" name="AdjustedGrossMargin" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
