{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Stain, Potassium ferrocyanide",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-ObservationMethod",
  "property" : [ ],
  "codesystem" : "82c77d18-2f57-5ed8-9365-64a5fa72e7d3",
  "concept_id" : "49f61dc7-aaa7-595a-b37d-f64f0f2b2acd",
  "ancestors" : {
    "0219" : 0
  },
  "id" : "975ab78b-3dd2-4ff7-832f-6da681e329db",
  "code" : "0219",
  "display" : "Potassium ferrocyanide stain",
  "version" : "2018-08-12"
}