{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Return only those orders that do not have results.",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-QueryParameterValue",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "_OrderFilterCode"
  } ],
  "codesystem" : "969f8f1e-6ead-59f5-8b96-939f7282f58b",
  "concept_id" : "658b0c85-37b3-527c-a7ad-73a06f7436a2",
  "ancestors" : {
    "ONR" : 0,
    "_OrderFilterCode" : 1
  },
  "id" : "4b5c8338-3c83-4736-b88d-bdd0502e1e22",
  "code" : "ONR",
  "display" : "orders without results",
  "version" : "2018-08-12"
}