{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Rules of practice do not require a physician's referral for the provider to perform a billable service.",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-ActCode",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "_ActInvoiceOverrideCode"
  } ],
  "codesystem" : "d73ae040-3e88-581f-8c74-bc9b7419407a",
  "concept_id" : "584844b3-4e06-5f45-af7f-e1d48307661d",
  "ancestors" : {
    "REFNR" : 0,
    "_ActInvoiceOverrideCode" : 1
  },
  "id" : "3729e751-f3cc-4e40-9eba-a90d22095e73",
  "code" : "REFNR",
  "display" : "referral not required",
  "version" : "2018-08-12"
}