{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : null,
  "system" : "http://terminology.hl7.org/CodeSystem/v2-0487",
  "property" : [ ],
  "codesystem" : "44e8e365-0ba0-56d7-bba4-d0b24baa142c",
  "concept_id" : "2d5f3808-e6b0-5571-901b-abb6d8dd4229",
  "ancestors" : {
    "ENVIR" : 0
  },
  "extension" : [ {
    "url" : "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
    "valueString" : "Environment"
  } ],
  "id" : "733e5610-a841-48e6-85e1-2f162055c587",
  "code" : "ENVIR",
  "display" : "Environmental, Unidentified Substance",
  "version" : "2.9"
}