{"resourceType":"SearchParameter","id":"Observation-component-data-absent-reason","extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status","valueCode":"trial-use"}],"url":"http://hl7.org/fhir/SearchParameter/Observation-component-data-absent-reason","version":"4.0.1","name":"component-data-absent-reason","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 reason why the expected value in the element Observation.component.value[x] is missing.","code":"component-data-absent-reason","base":["Observation"],"type":"token","expression":"Observation.component.dataAbsentReason","xpath":"f:Observation/f:component/f:dataAbsentReason","xpathUsage":"normal"}