<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 extension supports the sharing of the observation(s) that triggered the performance of the main observation." /> <purpose value="This is a Pathology use case to backport R5 functionality to identify the observation(s) that triggered the performance of this observation." /> <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" /> <mapping> <identity value="rim" /> <uri value="http://hl7.org/v3" /> <name value="RIM Mapping" /> </mapping> <kind value="complex-type" /> <abstract value="false" /> <context> <type value="element" /> <expression value="Observation" /> </context> <type value="Extension" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" /> <derivation value="constraint" /> <differential> <element id="Extension"> <path value="Extension" /> <short value="Triggering observation(s)" /> <definition value="Identifies the observation(s) that triggered the performance of this observation." /> </element> <element id="Extension.extension"> <path value="Extension.extension" /> <slicing> <discriminator> <type value="value" /> <path value="url" /> </discriminator> <rules value="open" /> </slicing> <min value="2" /> </element> <element id="Extension.extension:observation"> <path value="Extension.extension" /> <sliceName value="observation" /> <short value="Triggering observation" /> <definition value="Reference to the triggering observation." /> <min value="1" /> <max value="1" /> </element> <element id="Extension.extension:observation.url"> <path value="Extension.extension.url" /> <fixedUri value="observation" /> </element> <element id="Extension.extension:observation.value[x]"> <path value="Extension.extension.value[x]" /> <min value="1" /> <type> <code value="Reference" /> <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Observation" /> </type> </element> <element id="Extension.extension:type"> <path value="Extension.extension" /> <sliceName value="type" /> <short value="reflex | repeat | re-run" /> <definition value="The type of trigger. Reflex | Repeat | Re-run." /> <min value="1" /> <max value="1" /> <binding> <strength value="required" /> <valueSet value="http://hl7.org/fhir/ValueSet/observation-triggeredbytype" /> </binding> </element> <element id="Extension.extension:type.url"> <path value="Extension.extension.url" /> <fixedUri value="type" /> </element> <element id="Extension.extension:type.value[x]"> <path value="Extension.extension.value[x]" /> <min value="1" /> <type> <code value="code" /> </type> </element> <element id="Extension.extension:reason"> <path value="Extension.extension" /> <sliceName value="reason" /> <short value="Reason that the observation was triggered" /> <definition value="Provides the reason why this observation was performed as a result of the observation(s) referenced." /> <min value="0" /> <max value="1" /> </element> <element id="Extension.extension:reason.url"> <path value="Extension.extension.url" /> <fixedUri value="reason" /> </element> <element id="Extension.extension:reason.value[x]"> <path value="Extension.extension.value[x]" /> <min value="1" /> <type> <code value="string" /> </type> </element> <element id="Extension.url"> <path value="Extension.url" /> <fixedUri value="http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.triggeredBy" /> </element> <element id="Extension.value[x]"> <path value="Extension.value[x]" /> <max value="0" /> </element> </differential> </StructureDefinition>