{
  "package" : "hl7.terminology.r5@6.3.0",
  "definition" : "The first concept is at a more detailed level than the second concept. For example, Pennicillin G is narrower than Pennicillin, and vellus hair is narrower than hair. Narrower than is the opposite of broader than.",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-MapRelationship",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#status",
    "code" : "status",
    "valueCode" : "active"
  }, {
    "_uri" : "http://terminology.hl7.org/CodeSystem/utg-concept-properties#v3-internal-id",
    "code" : "internalId",
    "valueCode" : "11055"
  } ],
  "codesystem" : "f467e763-d061-516e-9b96-cb6fea2f9297",
  "concept_id" : "448f806c-46f6-5fe8-84f0-15c1983d52c8",
  "ancestors" : {
    "NT" : 0
  },
  "id" : "8a1f61e2-fa28-4f6f-9bd3-d676ea6757b3",
  "code" : "NT",
  "display" : "Narrower Than",
  "version" : "3.0.0"
}