{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "The surface of a tooth facing the tongue.",
  "system" : "http://terminology.hl7.org/CodeSystem/FDI-surface",
  "property" : [ ],
  "codesystem" : "20b7385b-b6ca-5678-9b28-1c506e72b474",
  "concept_id" : "812e3c07-0b1f-55d1-a5e0-6e58c825253b",
  "ancestors" : {
    "L" : 0
  },
  "id" : "f52e73f2-0cf0-4f7f-8da5-6cb114f37505",
  "code" : "L",
  "display" : "Lingual",
  "version" : "4.0.1"
}