<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="profile-MedicationDispense" />
  <url value="https://bpcs.exchange/fhir/StructureDefinition/profile-MedicationDispense" />
  <name value="MedicationDispense" />
  <title value="Medication Dispense" />
  <status value="active" />
  <experimental value="false" />
  <description value="Information about the dispense action associated with a claim receipt" />
  <fhirVersion value="5.0.0" />
  <mapping>
    <identity value="BPCS" />
    <name value="Internal BPCS API" />
  </mapping>
  <kind value="resource" />
  <abstract value="false" />
  <type value="MedicationDispense" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/MedicationDispense" />
  <derivation value="constraint" />
  <differential>
    <element id="MedicationDispense.id">
      <path value="MedicationDispense.id" />
      <comment value="This will typically be 'dispense' plus the receipt sequence number" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="MedicationDispense.extension:prescriberLicense">
      <path value="MedicationDispense.extension" />
      <sliceName value="prescriberLicense" />
      <type>
        <code value="Extension" />
        <profile value="https://bpcs.exchange/fhir/StructureDefinition/ext-MedicationDispense-PrescriberLicense" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="MedicationDispense.identifier">
      <path value="MedicationDispense.identifier" />
      <mustSupport value="true" />
    </element>
    <element id="MedicationDispense.identifier.value">
      <path value="MedicationDispense.identifier.value" />
      <short value="Pharmacy Rx number" />
      <definition value="Id assigned by the pharmacy to this specific dispense" />
      <min value="1" />
      <mustSupport value="true" />
      <mapping>
        <identity value="BPCS" />
        <map value="ReceiptDTO.rxNum, DuplicateReceiptDTO.rxNo" />
      </mapping>
    </element>
    <element id="MedicationDispense.status">
      <path value="MedicationDispense.status" />
      <patternCode value="completed" />
      <mustSupport value="true" />
    </element>
    <element id="MedicationDispense.medication">
      <path value="MedicationDispense.medication" />
      <mustSupport value="true" />
      <binding>
        <strength value="required" />
        <valueSet value="https://bpcs.exchange/fhir/ValueSet/vs-DinPin" />
      </binding>
    </element>
    <element id="MedicationDispense.medication.concept">
      <path value="MedicationDispense.medication.concept" />
      <min value="1" />
      <constraint>
        <key value="bpcs-dispense-1" />
        <severity value="error" />
        <human value="Must have text for Extemporaneous Mixture (9853359) and Unknown Product (9853448)" />
        <expression value="coding.exists(system='http://hl7.org/fhir/NamingSystem/ca-hc-din' and (code='9853359' or code='9853448')) implies text.exists()" />
      </constraint>
      <mustSupport value="true" />
    </element>
    <element id="MedicationDispense.medication.concept.coding">
      <path value="MedicationDispense.medication.concept.coding" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="system" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="MedicationDispense.medication.concept.coding:receiptDinPin">
      <path value="MedicationDispense.medication.concept.coding" />
      <sliceName value="receiptDinPin" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="MedicationDispense.medication.concept.coding:receiptDinPin.system">
      <path value="MedicationDispense.medication.concept.coding.system" />
      <comment value="Clients and BPCS system are required to differentiate whether drug is a DIN or PIN" />
      <min value="1" />
      <mustSupport value="true" />
      <binding>
        <strength value="required" />
        <valueSet value="https://bpcs.exchange/fhir/ValueSet/vs-DinPinSystem" />
      </binding>
    </element>
    <element id="MedicationDispense.medication.concept.coding:receiptDinPin.code">
      <path value="MedicationDispense.medication.concept.coding.code" />
      <min value="1" />
      <mustSupport value="true" />
      <mapping>
        <identity value="BPCS" />
        <map value="DrugDTO.receiptDinPin, DuplicateClaimDTO.dinPin" />
      </mapping>
    </element>
    <element id="MedicationDispense.medication.concept.text">
      <path value="MedicationDispense.medication.concept.text" />
      <condition value="bpcs-dispense-1" />
      <mustSupport value="true" />
      <mapping>
        <identity value="BPCS" />
        <map value="DrugDTO.receiptDrugName, DuplicateClaimDTO.dinDesc" />
      </mapping>
    </element>
    <element id="MedicationDispense.medication.reference">
      <path value="MedicationDispense.medication.reference" />
      <type>
        <code value="Reference" />
        <profile value="https://bpcs.exchange/fhir/StructureDefinition/profile-Reference-rest" />
        <targetProfile value="https://bpcs.exchange/fhir/StructureDefinition/profile-Medication" />
        <aggregation value="contained" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="MedicationDispense.subject">
      <path value="MedicationDispense.subject" />
      <type>
        <code value="Reference" />
        <profile value="https://bpcs.exchange/fhir/StructureDefinition/profile-Reference-rest" />
        <targetProfile value="https://bpcs.exchange/fhir/StructureDefinition/profile-Patient-create" />
      </type>
      <mustSupport value="true" />
      <mapping>
        <identity value="BPCS" />
        <map value="ReceiptDTO.odbNum" />
      </mapping>
    </element>
    <element id="MedicationDispense.performer">
      <path value="MedicationDispense.performer" />
      <comment value="Ministry assigned code to identify a pharmacy, hospital outpatient dispensary, clinic, dispensing physician or allergen supplier." />
      <mustSupport value="true" />
    </element>
    <element id="MedicationDispense.performer.actor">
      <path value="MedicationDispense.performer.actor" />
      <mustSupport value="true" />
    </element>
    <element id="MedicationDispense.performer.actor.identifier">
      <path value="MedicationDispense.performer.actor.identifier" />
      <patternIdentifier>
        <system value="https://bpcs.exchange/fhir/NamingSystem/agency-id" />
      </patternIdentifier>
      <mustSupport value="true" />
    </element>
    <element id="MedicationDispense.performer.actor.identifier.value">
      <path value="MedicationDispense.performer.actor.identifier.value" />
      <min value="1" />
      <mustSupport value="true" />
      <mapping>
        <identity value="BPCS" />
        <map value="ClaimDetailDTO.agencyId" />
      </mapping>
    </element>
    <element id="MedicationDispense.quantity">
      <path value="MedicationDispense.quantity" />
      <mustSupport value="true" />
    </element>
    <element id="MedicationDispense.quantity.value">
      <path value="MedicationDispense.quantity.value" />
      <min value="1" />
      <mustSupport value="true" />
      <mapping>
        <identity value="BPCS" />
        <map value="ReceiptDTO.quantity" />
      </mapping>
    </element>
    <element id="MedicationDispense.daysSupply">
      <path value="MedicationDispense.daysSupply" />
      <patternQuantity>
        <system value="http://unitsofmeasure.org" />
        <code value="d" />
      </patternQuantity>
      <mustSupport value="true" />
    </element>
    <element id="MedicationDispense.daysSupply.value">
      <path value="MedicationDispense.daysSupply.value" />
      <min value="1" />
      <mustSupport value="true" />
      <mapping>
        <identity value="BPCS" />
        <map value="ReceiptDTO.daysSupply" />
      </mapping>
    </element>
    <element id="MedicationDispense.whenHandedOver">
      <path value="MedicationDispense.whenHandedOver" />
      <min value="1" />
      <mustSupport value="true" />
      <mapping>
        <identity value="BPCS" />
        <map value="ReceiptDTO.serviceDate" />
      </mapping>
    </element>
    <element id="MedicationDispense.substitution">
      <path value="MedicationDispense.substitution" />
      <mustSupport value="true" />
    </element>
    <element id="MedicationDispense.substitution.reason">
      <path value="MedicationDispense.substitution.reason" />
      <type>
        <code value="Coding" />
        <profile value="https://bpcs.exchange/fhir/StructureDefinition/profile-Coding-simple" />
      </type>
      <mustSupport value="true" />
      <binding>
        <strength value="required" />
        <valueSet value="https://bpcs.exchange/fhir/ValueSet/vs-SubstitutionReason" />
      </binding>
      <mapping>
        <identity value="BPCS" />
        <map value="ReceiptDTO.prodSel" />
      </mapping>
    </element>
  </differential>
</StructureDefinition>