{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "The patient is due for their next vaccination.",
  "system" : "http://terminology.hl7.org/CodeSystem/immunization-recommendation-status",
  "property" : [ ],
  "codesystem" : "d2a6f0a7-e04b-5c56-b4ad-ae65e3f17004",
  "concept_id" : "3f79a074-e38c-51a7-846d-5e37884cc192",
  "ancestors" : {
    "due" : 0
  },
  "id" : "77b327b6-d913-49da-8931-f1bf52a98d07",
  "code" : "due",
  "display" : "Due",
  "version" : "4.0.1"
}