<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="HealthLinkEncounter" />
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-category">
    <valueString value="Base.Management" />
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-security-category">
    <valueCode value="patient" />
  </extension>
  <url value="https://healthlink.go.th/fhir/StructureDefinition/HealthLinkEncounter" />
  <version value="0.5.2" />
  <name value="HealthLinkEncounter" />
  <title value="Health Link Encounter Profile" />
  <status value="active" />
  <fhirVersion value="4.0.1" />
  <mapping>
    <identity value="workflow" />
    <uri value="http://hl7.org/fhir/workflow" />
    <name value="Workflow Pattern" />
  </mapping>
  <mapping>
    <identity value="rim" />
    <uri value="http://hl7.org/v3" />
    <name value="RIM Mapping" />
  </mapping>
  <mapping>
    <identity value="w5" />
    <uri value="http://hl7.org/fhir/fivews" />
    <name value="FiveWs Pattern Mapping" />
  </mapping>
  <mapping>
    <identity value="v2" />
    <uri value="http://hl7.org/v2" />
    <name value="HL7 v2 Mapping" />
  </mapping>
  <kind value="resource" />
  <abstract value="false" />
  <type value="Encounter" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Encounter" />
  <derivation value="constraint" />
  <differential>
    <element id="Encounter">
      <path value="Encounter" />
      <constraint>
        <key value="hlval-enc-1" />
        <severity value="error" />
        <human value="Encounter must contain a period element" />
        <expression value="status != 'finished' or period.exists()" />
        <source value="https://healthlink.go.th/fhir/StructureDefinition/HealthLinkEncounter" />
      </constraint>
      <constraint>
        <key value="hlval-enc-2" />
        <severity value="error" />
        <human value="Encounter must contain a serviceProvider element" />
        <expression value="status != 'finished' or serviceProvider.exists()" />
        <source value="https://healthlink.go.th/fhir/StructureDefinition/HealthLinkEncounter" />
      </constraint>
    </element>
    <element id="Encounter.id">
      <path value="Encounter.id" />
      <min value="1" />
      <constraint>
        <key value="health-link-6" />
        <severity value="error" />
        <human value="Resource id must be 'mdp9Id-cid-uuid' (9-digit mdp9id + 13-digit cid + any uuid). Total length does not excced 64 chars." />
        <expression value="matches(&quot;^[0-9]{9}-[0-9]{13}-.*&quot;)" />
        <source value="https://healthlink.go.th/fhir/StructureDefinition/HealthLinkEncounter" />
      </constraint>
    </element>
    <element id="Encounter.identifier">
      <path value="Encounter.identifier" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="system" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <min value="1" />
    </element>
    <element id="Encounter.identifier:mdp">
      <path value="Encounter.identifier" />
      <sliceName value="mdp" />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="Encounter.identifier:mdp.use">
      <path value="Encounter.identifier.use" />
      <patternCode value="official" />
    </element>
    <element id="Encounter.identifier:mdp.system">
      <path value="Encounter.identifier.system" />
      <min value="1" />
      <patternUri value="http://203.157.10.8/hcode_2020/query_set.php" />
    </element>
    <element id="Encounter.identifier:mdp.value">
      <path value="Encounter.identifier.value" />
      <min value="1" />
      <constraint>
        <key value="health-link-4" />
        <severity value="error" />
        <human value="Resource identifer.value must be a 9 digit number (hcode)" />
        <expression value="matches(&quot;^[0-9]{9}$&quot;)" />
        <source value="https://healthlink.go.th/fhir/StructureDefinition/HealthLinkEncounter" />
      </constraint>
    </element>
    <element id="Encounter.class">
      <path value="Encounter.class" />
      <binding>
        <strength value="required" />
        <valueSet value="https://healthlink.go.th/fhir/ValueSet/EncounterClass" />
      </binding>
    </element>
    <element id="Encounter.class.system">
      <path value="Encounter.class.system" />
      <min value="1" />
    </element>
    <element id="Encounter.class.code">
      <path value="Encounter.class.code" />
      <min value="1" />
    </element>
    <element id="Encounter.class.display">
      <path value="Encounter.class.display" />
      <min value="1" />
    </element>
    <element id="Encounter.type.coding.system">
      <path value="Encounter.type.coding.system" />
      <min value="1" />
    </element>
    <element id="Encounter.type.coding.code">
      <path value="Encounter.type.coding.code" />
      <min value="1" />
    </element>
    <element id="Encounter.type.coding.display">
      <path value="Encounter.type.coding.display" />
      <min value="1" />
    </element>
    <element id="Encounter.serviceType.coding.system">
      <path value="Encounter.serviceType.coding.system" />
      <min value="1" />
    </element>
    <element id="Encounter.serviceType.coding.code">
      <path value="Encounter.serviceType.coding.code" />
      <min value="1" />
    </element>
    <element id="Encounter.serviceType.coding.display">
      <path value="Encounter.serviceType.coding.display" />
      <min value="1" />
    </element>
    <element id="Encounter.subject">
      <path value="Encounter.subject" />
      <min value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient" />
      </type>
    </element>
    <element id="Encounter.subject.reference">
      <path value="Encounter.subject.reference" />
      <min value="1" />
    </element>
    <element id="Encounter.period.start">
      <path value="Encounter.period.start" />
      <min value="1" />
    </element>
    <element id="Encounter.reasonCode.coding.system">
      <path value="Encounter.reasonCode.coding.system" />
      <min value="1" />
    </element>
    <element id="Encounter.reasonCode.coding.code">
      <path value="Encounter.reasonCode.coding.code" />
      <min value="1" />
    </element>
    <element id="Encounter.reasonCode.coding.display">
      <path value="Encounter.reasonCode.coding.display" />
      <min value="1" />
    </element>
    <element id="Encounter.diagnosis.condition.reference">
      <path value="Encounter.diagnosis.condition.reference" />
      <min value="1" />
    </element>
    <element id="Encounter.diagnosis.rank">
      <path value="Encounter.diagnosis.rank" />
      <min value="1" />
    </element>
    <element id="Encounter.serviceProvider.reference">
      <path value="Encounter.serviceProvider.reference" />
      <min value="1" />
    </element>
  </differential>
</StructureDefinition>