{
  "package" : "hl7.terminology@6.3.0",
  "definition" : "WHO record # drug codes (8 digit)",
  "system" : "http://terminology.hl7.org/CodeSystem/v2-0396",
  "property" : [ {
    "_uri" : "http://terminology.hl7.org/CodeSystem/utg-concept-properties#v2-concComment",
    "code" : "v2-concComment",
    "valueString" : "World Health organization record number code. A unique sequential number is assigned to each unique single component drug and to each multi-component drug. Eight digits are allotted to each such code, six to identify the active agent, and 2 to identify the salt, of single content drugs. Six digits are assigned to each unique combination of drugs in a dispensing unit. The six digit code is identified by W1, the 8 digit code by W2."
  }, {
    "_uri" : "http://terminology.hl7.org/CodeSystem/utg-concept-properties#status",
    "code" : "status",
    "valueCode" : "A"
  } ],
  "codesystem" : "23325867-22f3-5651-9b00-eab352019d09",
  "concept_id" : "35c6ec4a-7cc9-5ce3-bc2e-dab4d3a73376",
  "ancestors" : {
    "W2" : 0
  },
  "id" : "4a498a1a-8c31-4622-80e6-d2a585c2f845",
  "code" : "W2",
  "display" : "WHO record # drug codes (8 digit)",
  "version" : "4.1.0"
}