{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "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" : "493d3e0e-2104-5c1b-b3ee-f6c2b4e4d021",
  "concept_id" : "e31830cd-9da9-581d-9e4e-3a2437cbe3aa",
  "ancestors" : {
    "not-performed" : 0
  },
  "id" : "186cc999-2d7d-42e5-8895-081e1c497854",
  "code" : "not-performed",
  "display" : "Not Performed",
  "version" : "4.0.1"
}