{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Causes severe physiological effects.",
  "system" : "http://hl7.org/fhir/reaction-event-severity",
  "property" : [ ],
  "codesystem" : "c438d9d3-3694-562e-a58e-ffe18ee7448e",
  "concept_id" : "b439e010-7334-573f-b4dd-318defecec35",
  "ancestors" : {
    "severe" : 0
  },
  "id" : "2c738b8b-d496-43b8-8a4a-c149369cbd2d",
  "code" : "severe",
  "display" : "Severe",
  "version" : "4.0.1"
}