{
  "package" : "hl7.terminology.r4@6.3.0",
  "definition" : "Head trauma - concussion.",
  "system" : "http://terminology.hl7.org/CodeSystem/ex-diagnosisrelatedgroup",
  "property" : [ ],
  "codesystem" : "594cd1af-c1ba-5e8d-8b85-663d6820a1a0",
  "concept_id" : "f4e1882d-826c-5ea0-8c94-6a43324b3a28",
  "ancestors" : {
    "400" : 0
  },
  "id" : "ddfebea2-e384-4e0d-b22f-beefd286a90e",
  "code" : "400",
  "display" : "Head trauma - concussion",
  "version" : "1.0.1"
}