{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Description: Exposure to an agent at a relatively low level above background.",
  "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" : "dde810f7-508f-5220-b989-792599afc5e9",
  "ancestors" : {
    "LOW" : 0,
    "_ActExposureLevelCode" : 1
  },
  "id" : "6348c1b9-2f4d-42ab-aacd-9f50ca062e32",
  "code" : "LOW",
  "display" : "low",
  "version" : "2018-08-12"
}