{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "A buffered medium with ammonium sulfate added to preserve antigens for Immunofluorescence procedures",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-EntityCode",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "_SpecimenAdditiveEntity"
  } ],
  "codesystem" : "6bc883d6-2592-5ee9-95de-32a833e8f6d0",
  "concept_id" : "951651c2-60b5-58f4-a8f4-3ec7ee4c99b4",
  "ancestors" : {
    "MMDTM" : 0,
    "_SpecimenAdditiveEntity" : 1,
    "_MaterialEntityClassType" : 2
  },
  "id" : "78e38287-ec40-4b29-bdda-cc8b8d861f2a",
  "code" : "MMDTM",
  "display" : "MMD transport medium",
  "version" : "2018-08-12"
}