{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : null,
  "system" : "http://terminology.hl7.org/CodeSystem/v2-0550",
  "property" : [ ],
  "codesystem" : "86093abf-b140-5ac8-838a-a2cdbbb2d5f2",
  "concept_id" : "03431645-3b66-52a9-b479-f651fdd11518",
  "ancestors" : {
    "RPERI" : 0
  },
  "id" : "c76ef4f5-62a3-4ed4-ab49-5afd49b34aee",
  "code" : "RPERI",
  "display" : "Retroperitoneal",
  "version" : "2.9"
}