{
  "package" : "hl7.terminology.r4@6.3.0",
  "definition" : "An unweighted average.",
  "system" : "http://terminology.hl7.org/CodeSystem/synthesis-type",
  "property" : [ {
    "valueCode" : "retired"
  } ],
  "codesystem" : "b0c94d5e-c761-5d2f-85da-9359628e9fd2",
  "concept_id" : "2fb592eb-d293-5ba9-9871-46da97fc4c92",
  "ancestors" : {
    "pooled" : 0
  },
  "id" : "50d40043-287e-4b1f-be7b-e0f7d5e3aba9",
  "code" : "pooled",
  "display" : "pooled rates",
  "version" : "2.0.0"
}