{
  "package" : "hl7.fhir.uv.extensions.r5@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" : "4f994f40-ca84-518e-9320-becad1e8926e",
  "concept_id" : "27947e0a-b2cd-5454-a23f-bf06cc0a5685",
  "ancestors" : {
    "confirmed" : 0
  },
  "id" : "52739b77-1d44-40de-bc79-c8fa1441363d",
  "code" : "confirmed",
  "display" : "Confirmed",
  "version" : "5.2.0"
}