<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="KBV-PR-VoS-Observation-Creatinine-Level" />
  <url value="https://fhir.kbv.de/StructureDefinition/KBV_PR_VoS_Observation_Creatinine_Level" />
  <version value="2.2.0" />
  <name value="KBV_PR_VoS_Observation_Creatinine_Level" />
  <title value="KBV_PR_VoS_Observation_Creatinine_Level" />
  <status value="draft" />
  <date value="2025-10-01" />
  <publisher value="Kassenärztliche Bundesvereinigung" />
  <description value="Kreatininwert einer behandelten Person" />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Observation" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Observation" />
  <derivation value="constraint" />
  <differential>
    <element id="Observation.id">
      <path value="Observation.id" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.meta">
      <path value="Observation.meta" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.meta.source">
      <path value="Observation.meta.source" />
      <max value="0" />
    </element>
    <element id="Observation.meta.profile">
      <path value="Observation.meta.profile" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="$this" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.meta.profile:vosProfile">
      <path value="Observation.meta.profile" />
      <sliceName value="vosProfile" />
      <min value="1" />
      <max value="1" />
      <fixedCanonical value="https://fhir.kbv.de/StructureDefinition/KBV_PR_VoS_Observation_Creatinine_Level|2.2.0" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.meta.security">
      <path value="Observation.meta.security" />
      <max value="0" />
    </element>
    <element id="Observation.meta.tag">
      <path value="Observation.meta.tag" />
      <max value="0" />
    </element>
    <element id="Observation.implicitRules">
      <path value="Observation.implicitRules" />
      <max value="0" />
    </element>
    <element id="Observation.language">
      <path value="Observation.language" />
      <max value="0" />
    </element>
    <element id="Observation.contained">
      <path value="Observation.contained" />
      <max value="0" />
    </element>
    <element id="Observation.identifier">
      <path value="Observation.identifier" />
      <max value="0" />
    </element>
    <element id="Observation.basedOn">
      <path value="Observation.basedOn" />
      <max value="0" />
    </element>
    <element id="Observation.partOf">
      <path value="Observation.partOf" />
      <max value="0" />
    </element>
    <element id="Observation.status">
      <path value="Observation.status" />
      <fixedCode value="final" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.category">
      <path value="Observation.category" />
      <max value="0" />
    </element>
    <element id="Observation.code">
      <path value="Observation.code" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.code.coding">
      <path value="Observation.code.coding" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="system" />
        </discriminator>
        <rules value="closed" />
      </slicing>
      <min value="2" />
      <max value="2" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.code.coding:loinc">
      <path value="Observation.code.coding" />
      <sliceName value="loinc" />
      <min value="1" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.code.coding:loinc.system">
      <path value="Observation.code.coding.system" />
      <min value="1" />
      <fixedUri value="http://loinc.org" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.code.coding:loinc.code">
      <path value="Observation.code.coding.code" />
      <min value="1" />
      <fixedCode value="2160-0" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.code.coding:loinc.display">
      <path value="Observation.code.coding.display" />
      <min value="1" />
      <fixedString value="Creatinine [Mass/volume] in Serum or Plasma" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.code.coding:loinc.userSelected">
      <path value="Observation.code.coding.userSelected" />
      <max value="0" />
    </element>
    <element id="Observation.code.coding:kbv_code">
      <path value="Observation.code.coding" />
      <sliceName value="kbv_code" />
      <min value="1" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.code.coding:kbv_code.system">
      <path value="Observation.code.coding.system" />
      <min value="1" />
      <fixedUri value="https://fhir.kbv.de/CodeSystem/KBV_CS_VoS_VitalSigns" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.code.coding:kbv_code.code">
      <path value="Observation.code.coding.code" />
      <min value="1" />
      <fixedCode value="Kreatinin" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.code.coding:kbv_code.display">
      <path value="Observation.code.coding.display" />
      <min value="1" />
      <fixedString value="Kreatinin" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.code.coding:kbv_code.userSelected">
      <path value="Observation.code.coding.userSelected" />
      <max value="0" />
    </element>
    <element id="Observation.code.text">
      <path value="Observation.code.text" />
      <max value="0" />
    </element>
    <element id="Observation.subject">
      <path value="Observation.subject" />
      <short value="Behandelte Person" />
      <definition value="Referenz auf die behaldelte Person, für die der Kreatininwert vorliegt." />
      <min value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.kbv.de/StructureDefinition/KBV_PR_VoS_Patient|2.2.0" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Observation.subject.reference">
      <path value="Observation.subject.reference" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.subject.type">
      <path value="Observation.subject.type" />
      <max value="0" />
    </element>
    <element id="Observation.subject.identifier">
      <path value="Observation.subject.identifier" />
      <max value="0" />
    </element>
    <element id="Observation.subject.display">
      <path value="Observation.subject.display" />
      <max value="0" />
    </element>
    <element id="Observation.focus">
      <path value="Observation.focus" />
      <max value="0" />
    </element>
    <element id="Observation.encounter">
      <path value="Observation.encounter" />
      <max value="0" />
    </element>
    <element id="Observation.effective[x]">
      <path value="Observation.effective[x]" />
      <slicing>
        <discriminator>
          <type value="type" />
          <path value="$this" />
        </discriminator>
        <ordered value="false" />
        <rules value="closed" />
      </slicing>
      <short value="Zeitpunkt" />
      <definition value="Hier wird ein Zeitpunkt eingetragen, wobei dieser mindestens Jahr beinhalten muss." />
      <type>
        <code value="dateTime" />
      </type>
    </element>
    <element id="Observation.effective[x]:effectiveDateTime">
      <path value="Observation.effective[x]" />
      <sliceName value="effectiveDateTime" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="dateTime" />
      </type>
    </element>
    <element id="Observation.issued">
      <path value="Observation.issued" />
      <max value="0" />
    </element>
    <element id="Observation.performer">
      <path value="Observation.performer" />
      <max value="0" />
    </element>
    <element id="Observation.value[x]">
      <path value="Observation.value[x]" />
      <slicing>
        <discriminator>
          <type value="type" />
          <path value="$this" />
        </discriminator>
        <rules value="closed" />
      </slicing>
      <min value="1" />
      <type>
        <code value="Quantity" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Observation.value[x]:valueQuantity">
      <path value="Observation.value[x]" />
      <sliceName value="valueQuantity" />
      <short value="Kreatininwert" />
      <definition value="Angabe des Kreatininwerts in mg/dL" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Quantity" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Observation.value[x]:valueQuantity.value">
      <path value="Observation.value[x].value" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.value[x]:valueQuantity.unit">
      <path value="Observation.value[x].unit" />
      <min value="1" />
      <fixedString value="mg/dL" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.value[x]:valueQuantity.system">
      <path value="Observation.value[x].system" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.value[x]:valueQuantity.code">
      <path value="Observation.value[x].code" />
      <min value="1" />
      <fixedCode value="mg/dL" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.dataAbsentReason">
      <path value="Observation.dataAbsentReason" />
      <max value="0" />
    </element>
    <element id="Observation.interpretation">
      <path value="Observation.interpretation" />
      <max value="0" />
    </element>
    <element id="Observation.note">
      <path value="Observation.note" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.note.author[x]">
      <path value="Observation.note.author[x]" />
      <slicing>
        <discriminator>
          <type value="type" />
          <path value="$this" />
        </discriminator>
        <ordered value="false" />
        <rules value="open" />
      </slicing>
      <max value="0" />
    </element>
    <element id="Observation.note.author[x]:authorReference">
      <path value="Observation.note.author[x]" />
      <sliceName value="authorReference" />
      <min value="0" />
      <max value="0" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Practitioner" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/RelatedPerson" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Organization" />
      </type>
    </element>
    <element id="Observation.note.author[x]:authorString">
      <path value="Observation.note.author[x]" />
      <sliceName value="authorString" />
      <min value="0" />
      <max value="0" />
      <type>
        <code value="string" />
      </type>
    </element>
    <element id="Observation.note.time">
      <path value="Observation.note.time" />
      <max value="0" />
    </element>
    <element id="Observation.note.text">
      <path value="Observation.note.text" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.bodySite">
      <path value="Observation.bodySite" />
      <max value="0" />
    </element>
    <element id="Observation.method">
      <path value="Observation.method" />
      <max value="0" />
    </element>
    <element id="Observation.specimen">
      <path value="Observation.specimen" />
      <max value="0" />
    </element>
    <element id="Observation.device">
      <path value="Observation.device" />
      <max value="0" />
    </element>
    <element id="Observation.referenceRange">
      <path value="Observation.referenceRange" />
      <max value="0" />
    </element>
    <element id="Observation.hasMember">
      <path value="Observation.hasMember" />
      <max value="0" />
    </element>
    <element id="Observation.derivedFrom">
      <path value="Observation.derivedFrom" />
      <max value="0" />
    </element>
    <element id="Observation.component">
      <path value="Observation.component" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>