{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : null,
  "system" : "http://terminology.hl7.org/CodeSystem/v2-0477",
  "property" : [ ],
  "codesystem" : "66055f6f-6fb8-5ddd-a834-83bbe6fd90d2",
  "concept_id" : "0c12bbf3-476f-5889-8228-f7dbfd385505",
  "ancestors" : {
    "IV" : 0
  },
  "extension" : [ {
    "url" : "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
    "valueString" : "Includes drugs having a lesser potential for abuse than those listed in Schedule III. CS IV drugs have a currently accepted medical use in the United States."
  } ],
  "id" : "a1004272-27ec-44e6-b7cf-f6639d260842",
  "code" : "IV",
  "display" : "Schedule IV",
  "version" : "2.9"
}