{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : null,
  "system" : "http://terminology.hl7.org/CodeSystem/v2-0396",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#status",
    "code" : "status",
    "valueCode" : "deprecated"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#deprecationDate",
    "code" : "deprecationDate",
    "valueDateTime" : "2011-01"
  } ],
  "codesystem" : "e9cf8668-decc-5804-af00-7e9ad1ae2565",
  "concept_id" : "dca3436a-9395-58c0-a132-567026f5e5a1",
  "ancestors" : {
    "NDFRT" : 0
  },
  "extension" : [ {
    "url" : "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
    "valueString" : "The National Drug File RT (NDF-RT) is published by the US Veterans' Administration (VA). NDF-RT covers clinical drugs used at the VA. The NCI version of NDF-RT is used by NCI to provide automated terminology access to the Food and Drug Administration (FDA) Structured Product Label (SPL) initiative."
  } ],
  "id" : "fa0e6bb1-0aa9-4e28-91b9-82237720b4e8",
  "code" : "NDFRT",
  "display" : "NDF-RT (Drug Classification)",
  "version" : "2.9"
}