<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="EPSimpleIdentifier-f8010186-cd59-4595-ab90-4ea3c70d8744" />
  <url value="https://www.esante.lu/fhir-spec/StructureDefinition/EPSimpleIdentifier" />
  <version value="1.2.0" />
  <name value="EPSimpleIdentifier" />
  <status value="active" />
  <fhirVersion value="4.0.1" />
  <mapping>
    <identity value="v2" />
    <uri value="http://hl7.org/v2" />
    <name value="HL7 v2 Mapping" />
  </mapping>
  <mapping>
    <identity value="rim" />
    <uri value="http://hl7.org/v3" />
    <name value="RIM Mapping" />
  </mapping>
  <mapping>
    <identity value="servd" />
    <uri value="http://www.omg.org/spec/ServD/1.0/" />
    <name value="ServD" />
  </mapping>
  <kind value="complex-type" />
  <abstract value="false" />
  <type value="Identifier" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Identifier" />
  <derivation value="constraint" />
  <differential>
    <element id="Identifier">
      <path value="Identifier" />
      <short value="An identifier" />
    </element>
    <element id="Identifier.id">
      <path value="Identifier.id" />
      <max value="0" />
    </element>
    <element id="Identifier.use">
      <path value="Identifier.use" />
      <max value="0" />
    </element>
    <element id="Identifier.type">
      <path value="Identifier.type" />
      <max value="0" />
    </element>
    <element id="Identifier.system">
      <path value="Identifier.system" />
      <min value="1" />
      <fixedUri value="urn:ietf:rfc:3986" />
    </element>
    <element id="Identifier.value">
      <path value="Identifier.value" />
      <short value="A v4 UUID prefixed by urn:uuid:" />
      <min value="1" />
      <example>
        <label value="Example" />
        <valueString value="urn:uuid:c757873d-ec9a-4326-a141-556f43239520" />
      </example>
      <condition value="val-uuid" />
      <constraint>
        <key value="val-uuid" />
        <severity value="error" />
        <human value="SHALL be a v4 UUID prefixed by urn:uuid:" />
        <expression value="startsWith('urn:uuid:') and length()=45" />
        <source value="https://www.esante.lu/fhir-spec/StructureDefinition/EPSimpleIdentifier" />
      </constraint>
    </element>
    <element id="Identifier.period">
      <path value="Identifier.period" />
      <max value="0" />
    </element>
    <element id="Identifier.assigner">
      <path value="Identifier.assigner" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>