{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "Chromatography, Protein A affinity",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-ObservationMethod",
  "property" : [ ],
  "codesystem" : "8c7da1dc-01fa-5297-8796-61a1ae4da992",
  "concept_id" : "8f31ae3b-0267-515c-a382-5109968b9f4d",
  "ancestors" : {
    "0043" : 0
  },
  "id" : "8ef03e69-455c-48a3-9872-3f9b02aff4e9",
  "code" : "0043",
  "display" : "Protein A affinity chromatography",
  "version" : "2018-08-12"
}