{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Polyvinyl alcohol",
  "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" : "eadc17f6-49f3-5389-8262-1528c18e638e",
  "ancestors" : {
    "PVA" : 0,
    "_SpecimenAdditiveEntity" : 1,
    "_MaterialEntityClassType" : 2
  },
  "id" : "86ff565a-dd89-4dbf-9bd9-62d5984d1e61",
  "code" : "PVA",
  "display" : "Polyvinylalcohol",
  "version" : "2018-08-12"
}