{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "Bioassay, Embryo Lethal Dose 50",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-ObservationMethod",
  "property" : [ ],
  "codesystem" : "8c7da1dc-01fa-5297-8796-61a1ae4da992",
  "concept_id" : "3e40cffc-4342-5f69-9ae0-2d270d1477fd",
  "ancestors" : {
    "0029" : 0
  },
  "id" : "7ad11354-b26c-4fef-a3f1-972d5f7c83b9",
  "code" : "0029",
  "display" : "Embryo lethal dose 50",
  "version" : "2018-08-12"
}