{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : null,
  "system" : "http://terminology.hl7.org/CodeSystem/v2-0496",
  "property" : [ ],
  "codesystem" : "2e90a841-5ddc-5856-b7f4-ec5df030604f",
  "concept_id" : "e6c584b4-d7da-58b3-a502-d972261efc34",
  "ancestors" : {
    "074" : 0
  },
  "extension" : [ {
    "url" : "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
    "valueString" : "Medical Treatment/ Procedure"
  } ],
  "id" : "cee6f302-a3aa-42d0-9a78-7971bb32a659",
  "code" : "074",
  "display" : "Lithium Carbonate",
  "version" : "2.9"
}