{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Description: Exposure to an agent at a relatively moderate level above background.A",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-ActExposureLevelCode",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "_ActExposureLevelCode"
  } ],
  "codesystem" : "481202ef-2366-5e94-afa5-c760bd5ed538",
  "concept_id" : "043229fe-c9a2-56e3-9c51-462e2e4f9e7d",
  "ancestors" : {
    "MEDIUM" : 0,
    "_ActExposureLevelCode" : 1
  },
  "id" : "8257d5fa-faf5-47dd-aaa3-22c25970da19",
  "code" : "MEDIUM",
  "display" : "medium",
  "version" : "2018-08-12"
}