{
  "package" : "hl7.fhir.uv.extensions.r4@5.2.0",
  "definition" : "There is a very high level of clinical certainty that the reaction was due to the identified substance, which may include clinical evidence by testing or rechallenge.",
  "system" : "http://hl7.org/fhir/reaction-event-certainty",
  "property" : [ ],
  "codesystem" : "963f7fcc-ee4a-587c-970b-333052ce8a03",
  "concept_id" : "27947e0a-b2cd-5454-a23f-bf06cc0a5685",
  "ancestors" : {
    "confirmed" : 0
  },
  "id" : "8108b599-ba66-4b46-8de2-93484e138085",
  "code" : "confirmed",
  "display" : "Confirmed",
  "version" : "5.2.0"
}