{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Head trauma - concussion.",
  "system" : "http://terminology.hl7.org/CodeSystem/ex-diagnosisrelatedgroup",
  "property" : [ ],
  "codesystem" : "8a167f05-b3c2-5a40-b1bc-52cb4c74fb0a",
  "concept_id" : "f4e1882d-826c-5ea0-8c94-6a43324b3a28",
  "ancestors" : {
    "400" : 0
  },
  "id" : "6df6f724-e96a-4603-8a36-aa63a245e2a1",
  "code" : "400",
  "display" : "Head trauma - concussion",
  "version" : "4.0.1"
}