<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="ee-tis-substitution-allowed" />
  <url value="https://fhir.ee/StructureDefinition/ee-tis-substitution-allowed" />
  <name value="ExtensionEETISSubstitutionAllowed" />
  <status value="draft" />
  <date value="2024-02-21T07:24:08.5899288+00:00" />
  <description value="Asendamine lubatud. Reason for not allowing the substitution of medication." />
  <fhirVersion value="5.0.0" />
  <kind value="complex-type" />
  <abstract value="false" />
  <context>
    <type value="element" />
    <expression value="MedicationStatement" />
  </context>
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension">
      <path value="Extension" />
      <short value="Asendamise mitte-lubamine" />
      <definition value="Reason for not allowing the substitution of medication." />
    </element>
    <element id="Extension.extension:substitutionAllowed">
      <path value="Extension.extension" />
      <sliceName value="substitutionAllowed" />
    </element>
    <element id="Extension.extension:substitutionAllowed.url">
      <path value="Extension.extension.url" />
      <fixedUri value="substitutionAllowed" />
    </element>
    <element id="Extension.extension:substitutionAllowed.value[x]">
      <path value="Extension.extension.value[x]" />
      <definition value="Substitution is by default allowed (true). If substitution is not allowed the reason must be defined." />
      <min value="1" />
      <type>
        <code value="boolean" />
      </type>
    </element>
    <element id="Extension.extension:substitutionAllowedReason">
      <path value="Extension.extension" />
      <sliceName value="substitutionAllowedReason" />
    </element>
    <element id="Extension.extension:substitutionAllowedReason.url">
      <path value="Extension.extension.url" />
      <fixedUri value="substitutionAllowedReason" />
    </element>
    <element id="Extension.extension:substitutionAllowedReason.value[x]">
      <path value="Extension.extension.value[x]" />
      <definition value="If substitution is not allowed one must choose the reason for it from the ValueSet." />
      <type>
        <code value="CodeableConcept" />
      </type>
      <binding>
        <strength value="required" />
        <description value="Reason for NOT allowing substitution" />
        <valueSet value="https://fhir.ee/CodeSystem/ravimi-asendamatuse-pohjus" />
      </binding>
    </element>
    <element id="Extension.url">
      <path value="Extension.url" />
      <fixedUri value="https://fhir.ee/StructureDefinition/ee-tis-substitution-allowed" />
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>