{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Any thing that has extension in space and mass, may be of living or non-living origin.",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-EntityClass",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#child",
    "code" : "child",
    "_implicit" : true,
    "valueCode" : "MMAT"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#child",
    "code" : "child",
    "_implicit" : true,
    "valueCode" : "FOOD"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#child",
    "code" : "child",
    "_implicit" : true,
    "valueCode" : "CHEM"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "ENT"
  } ],
  "codesystem" : "0af36b33-507e-55ae-8b5b-2f78d4799a69",
  "concept_id" : "931f7a76-64fc-5cc3-8060-0490ff191079",
  "ancestors" : {
    "ENT" : 1,
    "MAT" : 0
  },
  "id" : "6e0d1f04-005b-4fa0-b47d-0976232dff85",
  "code" : "MAT",
  "display" : "material",
  "version" : "2018-08-12"
}