{"resourceType":"SearchParameter","id":"AllergyIntolerance-severity","extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status","valueCode":"trial-use"}],"url":"http://hl7.org/fhir/SearchParameter/AllergyIntolerance-severity","version":"4.0.1","name":"severity","status":"draft","experimental":false,"date":"2021-01-17T07:06:13+11:00","publisher":"Health Level Seven International (Patient Care)","contact":[{"telecom":[{"system":"url","value":"http://hl7.org/fhir"}]},{"telecom":[{"system":"url","value":"http://www.hl7.org/Special/committees/patientcare/index.cfm"}]}],"description":"mild | moderate | severe (of event as a whole)","code":"severity","base":["AllergyIntolerance"],"type":"token","expression":"AllergyIntolerance.reaction.severity","xpath":"f:AllergyIntolerance/f:reaction/f:severity","xpathUsage":"normal"}