{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Weekly at institution specified time.",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-GTSAbbreviation",
  "property" : [ ],
  "codesystem" : "c7fa2765-e622-5403-aaec-723ab269b52c",
  "concept_id" : "12144d93-10a9-5e43-96e1-71f0864c12df",
  "ancestors" : {
    "WK" : 0
  },
  "id" : "654dde96-65c6-4483-b004-559e0427bfab",
  "code" : "WK",
  "display" : "weekly",
  "version" : "2018-08-12"
}