{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "3.8% Citrate buffered to a pH of 5.5 for Westergren Sedimentation Rate",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-EntityCode",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "_SpecimenAdditiveEntity"
  } ],
  "codesystem" : "0b0e33f8-1064-56b9-9511-23ed0a9dfac8",
  "concept_id" : "b2b7da3d-83cc-5abe-b9e2-fea4739f5f94",
  "ancestors" : {
    "WEST" : 0,
    "_SpecimenAdditiveEntity" : 1,
    "_MaterialEntityClassType" : 2
  },
  "id" : "ca87fc40-cce9-4387-9535-758fd842ebe7",
  "code" : "WEST",
  "display" : "Buffered Citrate",
  "version" : "2018-08-12"
}