{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Electrochemical, Ion Selective Electrode",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-ObservationMethod",
  "property" : [ ],
  "codesystem" : "82c77d18-2f57-5ed8-9365-64a5fa72e7d3",
  "concept_id" : "bd6b104e-907a-512a-abe9-515da9ac14d5",
  "ancestors" : {
    "0264" : 0
  },
  "id" : "f209291a-9c43-4209-900e-e55a4673f27d",
  "code" : "0264",
  "display" : "Ion selective electrode (ISE)",
  "version" : "2018-08-12"
}