<status value="draft" /> <date value="2025-11-06" /> <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="Defines the observation constraints and extensions on the UK Core Observation resource for the minimal set of data to query and retrieve clinical observation vital signs information." /> <purpose value="This profile allows exchange of internationally FHIR compliant vital signs information based on measurements and simple assertions made about an individual. Where a more constrained derived profile exists, it should be used instead of this profile." /> <copyright value="Copyright © 2021+ HL7 UK Licensed under the Apache License, Version 2.0 (the "License"); 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 "AS IS" 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" /> <kind value="resource" /> <abstract value="false" /> <type value="Observation" /> <baseDefinition value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Observation" /> <derivation value="constraint" /> <differential> <element id="Observation"> <path value="Observation" /> <constraint> <key value="ukcore-obs-vs-001" /> <severity value="error" /> <human value="`code.coding` SHALL include a LOINC "magic code"" /> <expression value="code.coding.where(system='http://loinc.org').exists()" /> </constraint> </element> <element id="Observation.extension:bodyPosition"> <path value="Observation.extension" /> <sliceName value="bodyPosition" /> <short value="The patients body position when the vital signs observation was recorded." /> <type> <code value="Extension" /> <profile value="http://hl7.org/fhir/StructureDefinition/observation-bodyPosition" /> </type> </element> <element id="Observation.extension:bodyPosition.value[x]"> <path value="Observation.extension.value[x]" /> <binding> <strength value="preferred" /> <valueSet value="https://fhir.hl7.org.uk/ValueSet/UKCore-BodyPosition" /> </binding> </element> <element id="Observation.extension:recordingSetting"> <path value="Observation.extension" /> <sliceName value="recordingSetting" /> <short value="Records whether the vital signs observation was performed in a clinical or non clinical setting." /> <type> <code value="Extension" /> <profile value="https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-RecordingSetting" /> </type> </element> <element id="Observation.status"> <path value="Observation.status" /> <short value="A status of `final` SHALL be present." /> <fixedCode value="final" /> </element> <element id="Observation.category"> <path value="Observation.category" /> <short value="A category of `vital-signs` SHALL be present." /> <min value="1" /> <max value="1" /> </element> <element id="Observation.category.coding.system"> <path value="Observation.category.coding.system" /> <fixedUri value="http://terminology.hl7.org/CodeSystem/observation-category" /> </element> <element id="Observation.category.coding.code"> <path value="Observation.category.coding.code" /> <fixedCode value="vital-signs" /> </element> <element id="Observation.code"> <path value="Observation.code" /> <short value="The type of vital signs observation (code / type)." /> <binding> <strength value="preferred" /> <valueSet value="https://fhir.hl7.org.uk/ValueSet/UKCore-ObservationVitalSignsType" /> </binding> </element> <element id="Observation.subject"> <path value="Observation.subject" /> <short value="Who or what the observation relates to SHALL be present." /> <min value="1" /> </element> <element id="Observation.effective[x]"> <path value="Observation.effective[x]" /> <short value="A clinically relevant time / time-period for observation SHALL be present." /> <min value="1" /> </element> </differential> </StructureDefinition>