{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "A requirement to be true before a service is performed. The target can be any service in criterion mood.  For multiple pre-conditions a conjunction attribute (AND, OR, XOR) is applicable.",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-ActRelationshipType",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "_ActRelationshipConditional"
  } ],
  "codesystem" : "4f270157-180f-50fb-8ae0-70acbcfca886",
  "concept_id" : "64876cc3-837e-54d3-8a75-b4c357307056",
  "ancestors" : {
    "ART" : 2,
    "PRCN" : 0,
    "_ActRelationshipConditional" : 1
  },
  "id" : "7c2471b5-4477-4971-b9ca-49fa77dbceac",
  "code" : "PRCN",
  "display" : "has pre-condition",
  "version" : "2018-08-12"
}