This value set includes codes based on the following rules:

• Include these codes as defined in http://snomed.info/sct

  Code	Display
  259153006	Chloroform
  372724004	Succinylcholine
  373738000	Pancuronium
  387480006	Lidocaine
  372703009	Pentobarbital
  96230006	Xylazine
  387258005	Chlorpromazine
  387264003	Diazepam
  387176008	Enflurane
  873008	Urethane (ethyl carbamate)
  96218000	Acepromazine
  40342009	Thiamylal
  386842005	Sevoflurane
  387218008	Etomidate
  84386009	Tribromoethanol
  373488009	Methohexital
  387150008	Bupivacaine
  346553009	Lidocaine + Prilocaine
  96229001	Azaperone
  387351001	Halothane
  96265006	Tiletamine
  96227004	Zolazepam
  387368002	Isoflurane
  387423006	Propofol
  373476007	Midazolam
  386841003	Desflurane
  277016007	Alphachloralose
  273948005	Chloral hydrate
  11136004	Methoxyflurane
  125707004	Alphadolone
  372901004	Butabarbital
  373464007	Ketamine
  259170003	Diethyl ether
  417696007	Medical air
  387448009	Thiopental
  31811003	Carbon dioxide
  387146001	Droperidol
  111132001	Nitrous oxide
  320917000	Oxygen gas

• Include these codes as defined in http://www.nlm.nih.gov/research/umls

  Code	Display
  C3846005	Room air
  C0051482	Alphaxalone
  C0060473	Fluanisone
  C0025856	Metomidate