{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : null,
  "system" : "http://terminology.hl7.org/CodeSystem/primary-source-type",
  "property" : [ ],
  "codesystem" : "5acf2c3b-23a0-5dae-9ee5-0040e3c6ad49",
  "concept_id" : "b6efd7c3-3db8-5123-8bea-7619f8b90db2",
  "ancestors" : {
    "post-serv" : 0
  },
  "id" : "2b2ea0e1-4979-4be2-9fb8-f80e315d8cec",
  "code" : "post-serv",
  "display" : "Postal Service",
  "version" : "4.0.1"
}