<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="mii-pr-mikrobio-ct-wert" />
  <extension url="https://www.medizininformatik-initiative.de/fhir/modul-meta/StructureDefinition/mii-ex-meta-license-codeable">
    <valueCodeableConcept>
      <coding>
        <system value="http://hl7.org/fhir/spdx-license" />
        <code value="CC-BY-4.0" />
        <display value="Creative Commons Attribution 4.0 International" />
      </coding>
    </valueCodeableConcept>
  </extension>
  <url value="https://www.medizininformatik-initiative.de/fhir/modul-mikrobio/StructureDefinition/mii-pr-mikrobio-ct-wert" />
  <version value="2027.0.0-alpha.3" />
  <name value="MII_PR_Mikrobio_Ct_Wert" />
  <title value="MII PR Mikrobio CT Wert" />
  <status value="active" />
  <experimental value="false" />
  <publisher value="Medizininformatik Initiative" />
  <contact>
    <telecom>
      <system value="url" />
      <value value="https://www.medizininformatik-initiative.de" />
    </telecom>
  </contact>
  <description value="CT-Wert beschreibt die Quantifizierung des Zyklusschwellenwerts bei Nukleinsäurenachweisen (z. B. Echtzeit-PCR) in einer Probe." />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Observation" />
  <baseDefinition value="https://www.medizininformatik-initiative.de/fhir/core/modul-labor/StructureDefinition/ObservationLab" />
  <derivation value="constraint" />
  <differential>
    <element id="Observation.extension">
      <path value="Observation.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <ordered value="false" />
        <rules value="open" />
      </slicing>
    </element>
    <element id="Observation.extension:triggeredBy-r5">
      <path value="Observation.extension" />
      <sliceName value="triggeredBy-r5" />
      <min value="0" />
      <max value="*" />
      <type>
        <code value="Extension" />
        <profile value="http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.triggeredBy" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Observation.extension:triggeredBy-r5.extension:observation">
      <path value="Observation.extension.extension" />
      <sliceName value="observation" />
      <short value="Triggering observation." />
    </element>
    <element id="Observation.extension:triggeredBy-r5.extension:type">
      <path value="Observation.extension.extension" />
      <sliceName value="type" />
      <short value="Beschreibt die Art der Auslösung einer Untersuchung im diagnostischen Zusammenhang; insbesondere kennzeichnet der Wert „reflex“ eine durch das Ergebnis einer vorangegangenen Untersuchung ausgelöste Folgediagnostik." />
    </element>
    <element id="Observation.category">
      <path value="Observation.category" />
      <slicing>
        <discriminator>
          <type value="pattern" />
          <path value="$this" />
        </discriminator>
        <rules value="open" />
      </slicing>
    </element>
    <element id="Observation.category:mibi-category">
      <path value="Observation.category" />
      <sliceName value="mibi-category" />
      <short value="Mikrobiologie-Kategorie" />
      <definition value="Kategorie-Slice für mikrobiologische Laboruntersuchungen." />
      <min value="1" />
      <max value="1" />
      <patternCodeableConcept>
        <coding>
          <system value="http://terminology.hl7.org/CodeSystem/v2-0074" />
          <code value="MB" />
        </coding>
      </patternCodeableConcept>
      <mustSupport value="true" />
    </element>
    <element id="Observation.category:mibi-category.coding">
      <path value="Observation.category.coding" />
      <min value="3" />
    </element>
    <element id="Observation.category:mibi-category.coding:v2-microbiology">
      <path value="Observation.category.coding" />
      <sliceName value="v2-microbiology" />
      <min value="1" />
      <max value="1" />
      <patternCoding>
        <system value="http://terminology.hl7.org/CodeSystem/v2-0074" />
        <code value="MB" />
      </patternCoding>
      <mustSupport value="true" />
    </element>
    <element id="Observation.category:mibi-category.coding:loinc-microbiology-studies">
      <path value="Observation.category.coding" />
      <sliceName value="loinc-microbiology-studies" />
      <min value="0" />
      <max value="1" />
      <patternCoding>
        <system value="http://loinc.org" />
        <code value="18725-2" />
      </patternCoding>
      <mustSupport value="true" />
    </element>
    <element id="Observation.code">
      <path value="Observation.code" />
      <short value="Es werden bevorzugt LOINC-Codes ohne präkoordinierte Specimentype-Angabe verwendet (System = XXX); der Specimentype wird separat über Specimen.type kodiert." />
      <binding>
        <strength value="extensible" />
        <valueSet value="https://www.medizininformatik-initiative.de/fhir/modul-mikrobio/ValueSet/mii-vs-mikrobio-ct-wert-loinc" />
      </binding>
    </element>
    <element id="Observation.value[x]">
      <path value="Observation.value[x]" />
      <type>
        <code value="Quantity" />
      </type>
    </element>
    <element id="Observation.value[x]:valueQuantity">
      <path value="Observation.value[x]" />
      <sliceName value="valueQuantity" />
      <type>
        <code value="Quantity" />
      </type>
    </element>
    <element id="Observation.value[x]:valueQuantity.code">
      <path value="Observation.value[x].code" />
      <patternCode value="1" />
    </element>
    <element id="Observation.method">
      <path value="Observation.method" />
      <patternCodeableConcept>
        <coding>
          <system value="http://snomed.info/sct" />
          <code value="70601000052104" />
        </coding>
      </patternCodeableConcept>
    </element>
    <element id="Observation.specimen">
      <path value="Observation.specimen" />
      <min value="1" />
    </element>
    <element id="Observation.derivedFrom">
      <path value="Observation.derivedFrom" />
      <mustSupport value="true" />
    </element>
  </differential>
</StructureDefinition>