{
  "package" : "hl7.terminology.r5@6.3.0",
  "definition" : "The value is not available because the observation procedure (test, etc.) was not performed.",
  "system" : "http://terminology.hl7.org/CodeSystem/data-absent-reason",
  "property" : [ ],
  "codesystem" : "e31b7fb5-d44d-5c39-8b37-235f22c26009",
  "concept_id" : "e31830cd-9da9-581d-9e4e-3a2437cbe3aa",
  "ancestors" : {
    "not-performed" : 0
  },
  "id" : "f0af485a-b1eb-4104-9bc4-c159791e01ea",
  "code" : "not-performed",
  "display" : "Not Performed",
  "version" : "1.0.0"
}