{
  "package" : "hl7.terminology@6.3.0",
  "definition" : "Patient does not know the subject, e.g. the biological parent of an adopted patient.",
  "system" : "http://terminology.hl7.org/CodeSystem/history-absent-reason",
  "property" : [ ],
  "codesystem" : "e14d904e-2ffd-5749-87c6-61ba0824ce6d",
  "concept_id" : "3ed9d0da-ab6b-58ba-b4df-29ccd66a7562",
  "ancestors" : {
    "subject-unknown" : 0
  },
  "id" : "2c3e27ab-242f-4ceb-bb3c-b7057a18fe0f",
  "code" : "subject-unknown",
  "display" : "Subject Unknown",
  "version" : "1.0.1"
}