<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="UKCore-Observation" />
  <url value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Observation" />
  <version value="2.4.0" />
  <name value="UKCoreObservation" />
  <title value="UK Core Observation" />
  <status value="active" />
  <date value="2023-04-28" />
  <publisher value="HL7 UK" />
  <contact>
    <name value="HL7 UK" />
    <telecom>
      <system value="email" />
      <value value="ukcore@hl7.org.uk" />
      <use value="work" />
      <rank value="1" />
    </telecom>
  </contact>
  <description value="This profile defines the UK constraints and extensions on the International FHIR resource [Observation](https://hl7.org/fhir/R4/Observation.html)." />
  <purpose value="This profile allows exchange of information of Measurements and simple assertions made about an individual, device or other subject.&#xD;&#xA;&#xD;&#xA;Note: this profile SHALL NOT be used where a more specific UK Core profile exists." />
  <copyright value="Copyright © 2021+ HL7 UK Licensed under the Apache License, Version 2.0 (the &quot;License&quot;); you may not use this file except in compliance with the License. You may obtain a copy of the License at  http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. HL7® FHIR® standard Copyright © 2011+ HL7 The HL7® FHIR® standard is used under the FHIR license. You may obtain a copy of the FHIR license at  https://www.hl7.org/fhir/license.html." />
  <fhirVersion value="4.0.1" />
  <mapping>
    <identity value="workflow" />
    <uri value="http://hl7.org/fhir/workflow" />
    <name value="Workflow Pattern" />
  </mapping>
  <mapping>
    <identity value="sct-concept" />
    <uri value="http://snomed.info/conceptdomain" />
    <name value="SNOMED CT Concept Domain Binding" />
  </mapping>
  <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="w5" />
    <uri value="http://hl7.org/fhir/fivews" />
    <name value="FiveWs Pattern Mapping" />
  </mapping>
  <mapping>
    <identity value="sct-attr" />
    <uri value="http://snomed.org/attributebinding" />
    <name value="SNOMED CT Attribute Binding" />
  </mapping>
  <kind value="resource" />
  <abstract value="false" />
  <type value="Observation" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Observation" />
  <derivation value="constraint" />
  <differential>
    <element id="Observation.extension">
      <path value="Observation.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <min value="0" />
    </element>
    <element id="Observation.extension:triggeredByR5">
      <path value="Observation.extension" />
      <sliceName value="triggeredByR5" />
      <short value="Triggering observation(s). This is a R5 backport." />
      <min value="0" />
      <type>
        <code value="Extension" />
        <profile value="http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.triggeredBy" />
      </type>
    </element>
    <element id="Observation.extension:triggeredByR5.extension">
      <path value="Observation.extension.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <min value="2" />
    </element>
    <element id="Observation.extension:triggeredByR5.extension:observation">
      <path value="Observation.extension.extension" />
      <sliceName value="observation" />
      <min value="1" />
    </element>
    <element id="Observation.extension:triggeredByR5.extension:observation.value[x]">
      <path value="Observation.extension.extension.value[x]" />
      <short value="Triggering observation." />
      <definition value="A reference to the triggering observation." />
    </element>
    <element id="Observation.extension:triggeredByR5.extension:type">
      <path value="Observation.extension.extension" />
      <sliceName value="type" />
      <min value="1" />
    </element>
    <element id="Observation.extension:triggeredByR5.extension:type.value[x]">
      <path value="Observation.extension.extension.value[x]" />
      <short value="The type of trigger. Reflex | Repeat | Re-run" />
      <definition value="The type of trigger. Reflex | Repeat | Re-run" />
    </element>
    <element id="Observation.extension:triggeredByR5.extension:reason">
      <path value="Observation.extension.extension" />
      <sliceName value="reason" />
      <min value="0" />
    </element>
    <element id="Observation.extension:triggeredByR5.extension:reason.value[x]">
      <path value="Observation.extension.extension.value[x]" />
      <short value="Reason that the observation was triggered." />
      <definition value="Provides the reason why this observation was performed as a result of the observation referenced." />
    </element>
    <element id="Observation.identifier.assigner">
      <path value="Observation.identifier.assigner" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Organization" />
      </type>
    </element>
    <element id="Observation.basedOn">
      <path value="Observation.basedOn" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/DeviceRequest" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/ImmunizationRecommendation" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/NutritionOrder" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-CarePlan" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-MedicationRequest" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-ServiceRequest" />
      </type>
    </element>
    <element id="Observation.basedOn.identifier.assigner">
      <path value="Observation.basedOn.identifier.assigner" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Organization" />
      </type>
    </element>
    <element id="Observation.partOf">
      <path value="Observation.partOf" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-ImagingStudy" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Immunization" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-MedicationAdministration" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-MedicationDispense" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-MedicationStatement" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Procedure" />
      </type>
    </element>
    <element id="Observation.partOf.identifier.assigner">
      <path value="Observation.partOf.identifier.assigner" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Organization" />
      </type>
    </element>
    <element id="Observation.code">
      <path value="Observation.code" />
      <binding>
        <strength value="preferred" />
        <description value="A code from the SNOMED Clinical Terminology UK coding system describing a type of observation" />
        <valueSet value="https://fhir.hl7.org.uk/ValueSet/UKCore-ObservationType" />
      </binding>
    </element>
    <element id="Observation.subject">
      <path value="Observation.subject" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Group" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Device" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Location" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Patient" />
      </type>
    </element>
    <element id="Observation.subject.identifier.assigner">
      <path value="Observation.subject.identifier.assigner" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Organization" />
      </type>
    </element>
    <element id="Observation.focus.identifier.assigner">
      <path value="Observation.focus.identifier.assigner" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Organization" />
      </type>
    </element>
    <element id="Observation.encounter">
      <path value="Observation.encounter" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Encounter" />
      </type>
    </element>
    <element id="Observation.encounter.identifier.assigner">
      <path value="Observation.encounter.identifier.assigner" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Organization" />
      </type>
    </element>
    <element id="Observation.performer">
      <path value="Observation.performer" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-CareTeam" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Organization" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Patient" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Practitioner" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-PractitionerRole" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-RelatedPerson" />
      </type>
    </element>
    <element id="Observation.performer.identifier.assigner">
      <path value="Observation.performer.identifier.assigner" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Organization" />
      </type>
    </element>
    <element id="Observation.note.author[x]">
      <path value="Observation.note.author[x]" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Organization" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Patient" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Practitioner" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-RelatedPerson" />
      </type>
      <type>
        <code value="string" />
      </type>
    </element>
    <element id="Observation.bodySite">
      <path value="Observation.bodySite" />
      <binding>
        <strength value="preferred" />
      </binding>
    </element>
    <element id="Observation.method">
      <path value="Observation.method" />
      <binding>
        <strength value="extensible" />
      </binding>
    </element>
    <element id="Observation.specimen">
      <path value="Observation.specimen" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Specimen" />
      </type>
    </element>
    <element id="Observation.specimen.identifier.assigner">
      <path value="Observation.specimen.identifier.assigner" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Organization" />
      </type>
    </element>
    <element id="Observation.device">
      <path value="Observation.device" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/DeviceMetric" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Device" />
      </type>
    </element>
    <element id="Observation.device.identifier.assigner">
      <path value="Observation.device.identifier.assigner" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Organization" />
      </type>
    </element>
    <element id="Observation.hasMember">
      <path value="Observation.hasMember" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/MolecularSequence" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Observation" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-QuestionnaireResponse" />
      </type>
    </element>
    <element id="Observation.hasMember.identifier.assigner">
      <path value="Observation.hasMember.identifier.assigner" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Organization" />
      </type>
    </element>
    <element id="Observation.derivedFrom">
      <path value="Observation.derivedFrom" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Media" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/MolecularSequence" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-DocumentReference" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-ImagingStudy" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Observation" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-QuestionnaireResponse" />
      </type>
    </element>
    <element id="Observation.derivedFrom.identifier.assigner">
      <path value="Observation.derivedFrom.identifier.assigner" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Organization" />
      </type>
    </element>
    <element id="Observation.component.code">
      <path value="Observation.component.code" />
      <binding>
        <strength value="preferred" />
        <description value="A code from the SNOMED Clinical Terminology UK coding system describing a type of observation" />
        <valueSet value="https://fhir.hl7.org.uk/ValueSet/UKCore-ObservationType" />
      </binding>
    </element>
  </differential>
</StructureDefinition>