{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "Stain, MacNeal's tetrachrome blood",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-ObservationMethod",
  "property" : [ ],
  "codesystem" : "8c7da1dc-01fa-5297-8796-61a1ae4da992",
  "concept_id" : "836ccf39-9ee6-5014-8a88-ad0fcb32a28d",
  "ancestors" : {
    "0199" : 0
  },
  "id" : "a7e4f792-de46-47d9-a717-83de0273d318",
  "code" : "0199",
  "display" : "MacNeal's tetrachrome blood stain",
  "version" : "2018-08-12"
}