<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="ExtensionObservationTriggeredBy" />
  <meta>
    <lastUpdated value="2025-05-02T11:22:35.529+00:00" />
  </meta>
  <url value="http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.triggeredBy" />
  <version value="1.0.0" />
  <name value="ExtensionObservationTriggeredBy" />
  <title value="Observation Triggered By" />
  <status value="draft" />
  <experimental value="false" />
  <date value="2025-04-15" />
  <publisher value="ARS@rki.de" />
  <description value="Backport-Extension für das Feld Observation.triggeredBy aus FHIR-R5. Über triggeredBy werden Referenzen zwischen Observations angelegt, die zusammen die Abfolge von Schritten innerhalb der Kette mikrobiologischer Testungen abbilden." />
  <fhirVersion value="4.0.1" />
  <kind value="complex-type" />
  <abstract value="false" />
  <context>
    <type value="element" />
    <expression value="Observation" />
  </context>
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension">
      <path value="Extension" />
      <short value="Observation Triggered By" />
      <definition value="Backport-Extension für das Feld Observation.triggeredBy aus FHIR-R5. Über triggeredBy werden Referenzen zwischen Observations angelegt, die zusammen die Abfolge von Schritten innerhalb der Kette mikrobiologischer Testungen abbilden." />
    </element>
    <element id="Extension.extension">
      <path value="Extension.extension" />
      <min value="2" />
    </element>
    <element id="Extension.extension:observation">
      <path value="Extension.extension" />
      <sliceName value="observation" />
      <short value="Triggering observation" />
      <definition value="Reference to the triggering observation." />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="Extension.extension:observation.extension">
      <path value="Extension.extension.extension" />
      <max value="0" />
    </element>
    <element id="Extension.extension:observation.url">
      <path value="Extension.extension.url" />
      <fixedUri value="observation" />
    </element>
    <element id="Extension.extension:observation.value[x]">
      <path value="Extension.extension.value[x]" />
      <slicing>
        <discriminator>
          <type value="type" />
          <path value="$this" />
        </discriminator>
        <rules value="closed" />
      </slicing>
      <min value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://demis.rki.de/fhir/ars/StructureDefinition/Observation" />
      </type>
    </element>
    <element id="Extension.extension:observation.value[x]:valueReference">
      <path value="Extension.extension.value[x]" />
      <sliceName value="valueReference" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://demis.rki.de/fhir/ars/StructureDefinition/Observation" />
      </type>
    </element>
    <element id="Extension.extension:type">
      <path value="Extension.extension" />
      <sliceName value="type" />
      <short value="reflex | repeat | re-run" />
      <definition value="The type of trigger. Reflex | Repeat | Re-run." />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="Extension.extension:type.extension">
      <path value="Extension.extension.extension" />
      <max value="0" />
    </element>
    <element id="Extension.extension:type.url">
      <path value="Extension.extension.url" />
      <fixedUri value="type" />
    </element>
    <element id="Extension.extension:type.value[x]">
      <path value="Extension.extension.value[x]" />
      <slicing>
        <discriminator>
          <type value="type" />
          <path value="$this" />
        </discriminator>
        <rules value="closed" />
      </slicing>
      <min value="1" />
      <type>
        <code value="code" />
      </type>
    </element>
    <element id="Extension.extension:type.value[x]:valueCode">
      <path value="Extension.extension.value[x]" />
      <sliceName value="valueCode" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="code" />
      </type>
      <patternCode value="reflex" />
    </element>
    <element id="Extension.url">
      <path value="Extension.url" />
      <fixedUri value="http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.triggeredBy" />
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>