{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Immunoassay, Immunoradiometric Assay",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-ObservationMethod",
  "property" : [ ],
  "codesystem" : "82c77d18-2f57-5ed8-9365-64a5fa72e7d3",
  "concept_id" : "a62a819f-b43f-5c9f-849f-44084c1cf450",
  "ancestors" : {
    "0270" : 0
  },
  "id" : "94f5f2b5-3986-4a20-8b1d-2224ba00119c",
  "code" : "0270",
  "display" : "Immunoradiometric assay (IRMA)",
  "version" : "2018-08-12"
}