<status value="active" /> <experimental value="false" /> <description value="Indicates the system responsible for entering a receipt within an explanation of benefits extract" /> <fhirVersion value="5.0.0" /> <mapping> <identity value="BPCS" /> <name value="Internal BPCS API" /> </mapping> <kind value="complex-type" /> <abstract value="false" /> <context> <type value="element" /> <expression value="ExplanationOfBenefit.item" /> </context> <type value="Extension" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" /> <derivation value="constraint" /> <differential> <element id="Extension"> <path value="Extension" /> <short value="Receipt source" /> <definition value="Indicates the system responsible for entering a receipt within an explanation of benefits extract" /> <max value="1" /> </element> <element id="Extension.url"> <path value="Extension.url" /> <fixedUri value="https://bpcs.exchange/fhir/StructureDefinition/ext-ExplanationOfBenefit-ItemSource" /> </element> <element id="Extension.value[x]"> <path value="Extension.value[x]" /> <min value="1" /> <type> <code value="Identifier" /> </type> <mustSupport value="true" /> </element> <element id="Extension.value[x].system"> <path value="Extension.value[x].system" /> <min value="1" /> <patternUri value="https://bpcs.exchange/fhir/NamingSystem/receipt-source" /> </element> <element id="Extension.value[x].value"> <path value="Extension.value[x].value" /> <short value="'bpcs' or specific pharmacy" /> <comment value="This will always be 'bpcs' for patient-submitted receipts" /> <min value="1" /> <mustSupport value="true" /> <mapping> <identity value="bpcs" /> <map value="AllTransactionRecordDTO.agencyId, ClaimDetailDTO.agencyId, ClaimRecordDTO.agencyId, OverpaidDeductible.agencyId" /> </mapping> </element> </differential> </StructureDefinition>