{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "The presence of the specified component / analyte, organism or clinical sign could not be determined within the limit of detection of the performed test or procedure.",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-ObservationInterpretation",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "NEG"
  } ],
  "codesystem" : "f0c8fd69-370c-5f88-82c4-74348ff8483f",
  "concept_id" : "cd10b754-19aa-5b48-a5b3-c7a01a4e1987",
  "ancestors" : {
    "ND" : 0,
    "NEG" : 1,
    "ObservationInterpretationDetection" : 2
  },
  "id" : "c1cc430f-e4ee-4bcf-a251-0ca50e258eae",
  "code" : "ND",
  "display" : "Not detected",
  "version" : "2018-08-12"
}