{
  "package" : "hl7.terminology.r4@6.3.0",
  "definition" : null,
  "system" : "http://terminology.hl7.org/CodeSystem/v3-ObservationMethod",
  "property" : [ {
    "code" : "status",
    "valueCode" : "active"
  }, {
    "code" : "internalId",
    "valueCode" : "21449"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "0280"
  } ],
  "codesystem" : "9ab7d293-d004-5445-ae49-d7e0c56d0cc8",
  "concept_id" : "5ca2306d-a47d-5c47-924c-cd3553452701",
  "ancestors" : {
    "0280" : 1,
    "0275a" : 0
  },
  "id" : "cc6cbe02-e5e0-42f4-8ad3-16774165ccc1",
  "code" : "0275a",
  "display" : "Minimum Lethal Concentration (MLC)",
  "version" : "3.0.0"
}