{"resourceType":"SearchParameter","id":"Observation-combo-value-concept","extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status","valueCode":"trial-use"}],"url":"http://hl7.org/fhir/SearchParameter/Observation-combo-value-concept","version":"4.0.1","name":"combo-value-concept","status":"draft","experimental":false,"date":"2021-01-17T07:06:13+11:00","publisher":"Health Level Seven International (Orders and Observations)","contact":[{"telecom":[{"system":"url","value":"http://hl7.org/fhir"}]},{"telecom":[{"system":"url","value":"http://www.hl7.org/Special/committees/orders/index.cfm"}]}],"description":"The value or component value of the observation, if the value is a CodeableConcept","code":"combo-value-concept","base":["Observation"],"type":"token","expression":"(Observation.value as CodeableConcept) | (Observation.component.value as CodeableConcept)","xpath":"f:Observation/f:valueCodeableConcept | f:Observation/f:component/f:valueCodeableConcept","xpathUsage":"normal"}