<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="observation-de-vitalsign" />
  <url value="http://fhir.de/StructureDefinition/observation-de-vitalsign" />
  <version value="1.6.0-ballot" />
  <name value="VitalSignDE" />
  <title value="Observation-Profil VitalSignDE" />
  <status value="active" />
  <experimental value="false" />
  <date value="2025-12-23" />
  <publisher value="HL7 Deutschland e.V. (Technisches Komitee FHIR)" />
  <contact>
    <telecom>
      <system value="url" />
      <value value="http://hl7.de/technische-komitees/fhir/" />
    </telecom>
  </contact>
  <description value="Observation-Profil VitalSignDE ist das Parentprofil der restlichen Vitalsignprofile" />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="true" />
  <type value="Observation" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Observation" />
  <derivation value="constraint" />
  <differential>
    <element id="Observation">
      <path value="Observation" />
      <constraint>
        <key value="vs-de-2" />
        <severity value="error" />
        <human value="If there is no component or hasMember element then either a value[x] or a data absent reason must be present" />
        <expression value="(component.empty() and hasMember.empty()) implies (dataAbsentReason.exists() or value.exists())" />
        <source value="http://fhir.de/StructureDefinition/observation-de-vitalsign" />
      </constraint>
    </element>
    <element id="Observation.category">
      <path value="Observation.category" />
      <slicing>
        <discriminator>
          <type value="pattern" />
          <path value="$this" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <min value="1" />
    </element>
    <element id="Observation.category:VSCat">
      <path value="Observation.category" />
      <sliceName value="VSCat" />
      <min value="1" />
      <max value="1" />
      <patternCodeableConcept>
        <coding>
          <system value="http://terminology.hl7.org/CodeSystem/observation-category" />
          <code value="vital-signs" />
        </coding>
      </patternCodeableConcept>
    </element>
    <element id="Observation.code.coding">
      <path value="Observation.code.coding" />
      <min value="1" />
    </element>
    <element id="Observation.code.coding.system">
      <path value="Observation.code.coding.system" />
      <min value="1" />
    </element>
    <element id="Observation.code.coding.code">
      <path value="Observation.code.coding.code" />
      <min value="1" />
    </element>
    <element id="Observation.subject">
      <path value="Observation.subject" />
      <min value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient" />
      </type>
    </element>
    <element id="Observation.effective[x]">
      <path value="Observation.effective[x]" />
      <min value="1" />
      <type>
        <code value="dateTime" />
      </type>
      <type>
        <code value="Period" />
      </type>
      <constraint>
        <key value="vs-de-1" />
        <severity value="error" />
        <human value="If Observation.effective[x] has a value then that value shall be precise to the day" />
        <expression value="(($this is dateTime) implies ($this as dateTime).toString().length() &gt;= 10) and ($this.start.exists() implies ($this.start as dateTime).toString().length() &gt;= 10) and ($this.end.exists() implies ($this.end as dateTime).toString().length() &gt;= 10)" />
        <source value="http://fhir.de/StructureDefinition/observation-de-vitalsign" />
      </constraint>
    </element>
    <element id="Observation.value[x]">
      <path value="Observation.value[x]" />
      <slicing>
        <discriminator>
          <type value="type" />
          <path value="$this" />
        </discriminator>
        <ordered value="false" />
        <rules value="open" />
      </slicing>
    </element>
    <element id="Observation.value[x]:valueQuantity">
      <path value="Observation.value[x]" />
      <sliceName value="valueQuantity" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Quantity" />
      </type>
    </element>
    <element id="Observation.value[x]:valueQuantity.value">
      <path value="Observation.value[x].value" />
      <min value="1" />
    </element>
    <element id="Observation.value[x]:valueQuantity.unit">
      <path value="Observation.value[x].unit" />
      <min value="1" />
    </element>
    <element id="Observation.value[x]:valueQuantity.system">
      <path value="Observation.value[x].system" />
      <min value="1" />
      <patternUri value="http://unitsofmeasure.org" />
    </element>
    <element id="Observation.value[x]:valueQuantity.code">
      <path value="Observation.value[x].code" />
      <min value="1" />
      <binding>
        <strength value="required" />
        <valueSet value="http://fhir.de/ValueSet/UcumVitalsCommonDE" />
      </binding>
    </element>
    <element id="Observation.component">
      <path value="Observation.component" />
      <constraint>
        <key value="vs-de-3" />
        <severity value="error" />
        <human value="If there is no a value a data absent reason must be present" />
        <expression value="value.exists() xor dataAbsentReason.exists()" />
        <source value="http://fhir.de/StructureDefinition/observation-de-vitalsign" />
      </constraint>
    </element>
    <element id="Observation.component.value[x]">
      <path value="Observation.component.value[x]" />
      <slicing>
        <discriminator>
          <type value="type" />
          <path value="$this" />
        </discriminator>
        <ordered value="false" />
        <rules value="open" />
      </slicing>
    </element>
    <element id="Observation.component.value[x]:valueQuantity">
      <path value="Observation.component.value[x]" />
      <sliceName value="valueQuantity" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Quantity" />
      </type>
    </element>
    <element id="Observation.component.value[x]:valueQuantity.value">
      <path value="Observation.component.value[x].value" />
      <min value="1" />
    </element>
    <element id="Observation.component.value[x]:valueQuantity.unit">
      <path value="Observation.component.value[x].unit" />
      <min value="1" />
    </element>
    <element id="Observation.component.value[x]:valueQuantity.system">
      <path value="Observation.component.value[x].system" />
      <min value="1" />
      <patternUri value="http://unitsofmeasure.org" />
    </element>
    <element id="Observation.component.value[x]:valueQuantity.code">
      <path value="Observation.component.value[x].code" />
      <min value="1" />
    </element>
  </differential>
</StructureDefinition>