{
  "package" : "hl7.terminology.r4@6.3.0",
  "definition" : "Unknown",
  "system" : "http://terminology.hl7.org/CodeSystem/missingtoothreason",
  "property" : [ ],
  "codesystem" : "1557144e-bbcd-57fe-96ac-53107c1ace0c",
  "concept_id" : "a74b5d00-5e38-5676-ab53-bbc178bd3ee5",
  "ancestors" : {
    "u" : 0
  },
  "id" : "5e855d2c-fe4c-4803-95a2-1935b159d2db",
  "code" : "u",
  "display" : "U",
  "version" : "1.0.1"
}