<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="structuredefinition-composition-medication-ehr" />
  <url value="http://ontariohealth.ca/fhir/ehr/StructureDefinition/profile-composition-drugs" />
  <version value="1.0.0" />
  <name value="CompositionDrugsEHR" />
  <title value="Composition Drugs EHR" />
  <status value="active" />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Composition" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Composition" />
  <derivation value="constraint" />
  <differential>
    <element id="Composition.identifier">
      <path value="Composition.identifier" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Composition.identifier.system">
      <path value="Composition.identifier.system" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Composition.identifier.value">
      <path value="Composition.identifier.value" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Composition.status">
      <path value="Composition.status" />
      <mustSupport value="true" />
    </element>
    <element id="Composition.type">
      <path value="Composition.type" />
      <mustSupport value="true" />
    </element>
    <element id="Composition.type.coding">
      <path value="Composition.type.coding" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Coding" />
        <profile value="http://ontariohealth.ca/fhir/ehr/StructureDefinition/Coding-oh-ehr" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Composition.type.coding.system">
      <path value="Composition.type.coding.system" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Composition.subject">
      <path value="Composition.subject" />
      <min value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://ontariohealth.ca/fhir/ehr/StructureDefinition/profile-patient" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Composition.subject.reference">
      <path value="Composition.subject.reference" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Composition.date">
      <path value="Composition.date" />
      <mustSupport value="true" />
    </element>
    <element id="Composition.author">
      <path value="Composition.author" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://ontariohealth.ca/fhir/ehr/StructureDefinition/profile-practitionerRole" />
        <targetProfile value="http://ontariohealth.ca/fhir/ehr/StructureDefinition/profile-practitioner" />
        <targetProfile value="http://ontariohealth.ca/fhir/ehr/StructureDefinition/profile-organization" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Composition.author.reference">
      <path value="Composition.author.reference" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Composition.title">
      <path value="Composition.title" />
      <mustSupport value="true" />
    </element>
    <element id="Composition.custodian">
      <path value="Composition.custodian" />
      <min value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://ontariohealth.ca/fhir/ehr/StructureDefinition/profile-organization" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Composition.custodian.reference">
      <path value="Composition.custodian.reference" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Composition.section">
      <path value="Composition.section" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Composition.section.title">
      <path value="Composition.section.title" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Composition.section.code">
      <path value="Composition.section.code" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Composition.section.code.coding">
      <path value="Composition.section.code.coding" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Coding" />
        <profile value="http://ontariohealth.ca/fhir/ehr/StructureDefinition/Coding-oh-ehr" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Composition.section.code.coding.system">
      <path value="Composition.section.code.coding.system" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Composition.section.entry">
      <path value="Composition.section.entry" />
      <min value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://ontariohealth.ca/fhir/ehr/StructureDefinition/profile-medicationDispense" />
        <targetProfile value="http://ontariohealth.ca/fhir/ehr/StructureDefinition/profile-medicationAdministration" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Composition.section.entry.reference">
      <path value="Composition.section.entry.reference" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
  </differential>
</StructureDefinition>