<StructureDefinition xmlns="http://hl7.org/fhir" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://hl7.org/fhir ../../input-cache/schemas/R5/fhir-single.xsd">
  <id value="profile-Medication" />
  <url value="https://bpcs.exchange/fhir/StructureDefinition/profile-Medication" />
  <name value="Medication" />
  <title value="Medication" />
  <status value="active" />
  <experimental value="false" />
  <description value="Information about a specific medication or pharmacy product" />
  <fhirVersion value="5.0.0" />
  <mapping>
    <identity value="BPCS" />
    <name value="Internal BPCS API" />
  </mapping>
  <kind value="resource" />
  <abstract value="false" />
  <type value="Medication" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Medication" />
  <derivation value="constraint" />
  <differential>
    <element id="Medication.id">
      <path value="Medication.id" />
      <comment value="This will be the same as the DIN or PIN" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Medication.code">
      <path value="Medication.code" />
      <min value="1" />
      <mustSupport value="true" />
      <binding>
        <strength value="required" />
        <valueSet value="https://bpcs.exchange/fhir/ValueSet/vs-DinPin" />
      </binding>
    </element>
    <element id="Medication.code.coding">
      <path value="Medication.code.coding" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="system" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <min value="2" />
      <mustSupport value="true" />
    </element>
    <element id="Medication.code.coding:claimDinPin">
      <path value="Medication.code.coding" />
      <sliceName value="claimDinPin" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Medication.code.coding:claimDinPin.system">
      <path value="Medication.code.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="Medication.code.coding:claimDinPin.code">
      <path value="Medication.code.coding.code" />
      <min value="1" />
      <mustSupport value="true" />
      <mapping>
        <identity value="BPCS" />
        <map value="DrugDTO.dinPin" />
      </mapping>
    </element>
    <element id="Medication.code.coding:claimDinPin.display">
      <path value="Medication.code.coding.display" />
      <mustSupport value="true" />
      <mapping>
        <identity value="BPCS" />
        <map value="DrugDTO.drugBrandName" />
      </mapping>
    </element>
    <element id="Medication.code.coding:generic">
      <path value="Medication.code.coding" />
      <sliceName value="generic" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Medication.code.coding:generic.system">
      <path value="Medication.code.coding.system" />
      <min value="1" />
      <patternUri value="http://terminology.hl7.org/CodeSystem/hc-CCDD" />
    </element>
    <element id="Medication.code.coding:generic.display">
      <path value="Medication.code.coding.display" />
      <min value="1" />
      <mustSupport value="true" />
      <mapping>
        <identity value="BPCS" />
        <map value="DrugDTO.genericName" />
      </mapping>
    </element>
    <element id="Medication.doseForm">
      <path value="Medication.doseForm" />
      <comment value="This will be the unlisted Compound type" />
      <mustSupport value="true" />
      <binding>
        <strength value="required" />
        <valueSet value="https://bpcs.exchange/fhir/ValueSet/vs-UnlistedCompoundType" />
      </binding>
      <mapping>
        <identity value="BPCS" />
        <map value="ClaimDetailDTO.unlistedComp" />
      </mapping>
    </element>
  </differential>
</StructureDefinition>