{
  "package" : "hl7.terminology.r4@6.3.0",
  "definition" : null,
  "system" : "http://terminology.hl7.org/CodeSystem/adverse-event-severity",
  "property" : [ ],
  "codesystem" : "654cb0b2-1497-5af1-afa1-908d10945e52",
  "concept_id" : "b439e010-7334-573f-b4dd-318defecec35",
  "ancestors" : {
    "severe" : 0
  },
  "id" : "2b64be65-b0e8-4df6-9d69-c2496405d266",
  "code" : "severe",
  "display" : "Severe",
  "version" : "1.0.0"
}