{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : null,
  "system" : "http://terminology.hl7.org/CodeSystem/v2-0489",
  "property" : [ ],
  "codesystem" : "58f0b57b-3ca4-59c0-930c-3044bc0cd0a0",
  "concept_id" : "bc73a4c1-32ce-54a0-9d3c-b86729d0ce17",
  "ancestors" : {
    "COR" : 0
  },
  "extension" : [ {
    "url" : "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
    "valueString" : "Material is corrosive and may cause severe injury to skin, mucous membranes and eyes. Avoid any unprotected contact."
  } ],
  "id" : "d930526b-0dc9-4cee-963c-b359009281b0",
  "code" : "COR",
  "display" : "Corrosive",
  "version" : "2.9"
}