{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : null,
  "system" : "http://terminology.hl7.org/CodeSystem/v2-0906",
  "property" : [ ],
  "codesystem" : "df166af4-5d9c-567a-b59c-51b31a1cc14e",
  "concept_id" : "171f39d0-1350-54a8-9ccb-8597ad020b1e",
  "ancestors" : {
    "PRN" : 0
  },
  "id" : "c591466d-a849-49c9-a8c9-51ce13f5ff63",
  "code" : "PRN",
  "display" : "As needed - An \\\"as needed\\\" order should be accompanied by a description of what constitutes a need.  This description is represented by an observation service predicate as a precondition.",
  "version" : "2.9"
}