Y40-Y84
Complications of medical and surgical care
Y44.9
Other and unspecified agents affecting blood constituents
Y45
Analgesics, antipyretics and anti-inflammatory drugs
Y45.0
Opioids and related analgesics
Y45.1
Salicylates
Y45.2
Propionic acid derivatives
Y45.3
Other nonsteroidal anti-inflammatory drugs [NSAID]
Y45.4
Antirheumatics
Y45.5
4-Aminophenol derivatives
Y45.8
Other analgesics and antipyretics
Y45.9
Analgesic, antipyretic and anti-inflammatory drug, unspecified
Y46
Antiepileptics and antiparkinsonism drugs
Y46.0
Succinimides
Y46.1
Oxazolidinediones
Y46.2
Hydantoin derivatives
Y46.3
Deoxybarbiturates
Y46.4
Iminostilbenes
Y46.5
Valproic acid
Y46.6
Other and unspecified antiepileptics
Y46.7
Antiparkinsonism drugs
Y46.8
Antispasticity drugs Excl.: benzodiazepines
Y47
Sedatives, hypnotics and antianxiety drugs
Y47.0
Barbiturates, not elsewhere classified
Y47.1
Benzodiazepines
Y47.2
Cloral derivatives
Y47.3
Paraldehyde
Y47.4
Bromine compounds
Y47.5
Mixed sedatives and hypnotics, not elsewhere classified
Y47.8
Other sedatives, hypnotics and antianxiety drugs
Y47.9
Sedative, hypnotic and antianxiety drug, unspecified
Y48
Anaesthetics and therapeutic gases
Y48.0
Inhaled anaesthetics
Y48.1
Parenteral anaesthetics
Y48.2
Other and unspecified general anaesthetics
Y48.3
Local anaesthetics
Y48.4
Anaesthetic, unspecified
Y48.5
Therapeutic gases
Y49
Psychotropic drugs, not elsewhere classified
Y49.0
Tricyclic and tetracyclic antidepressants
Y49.1
Monoamine- oxidase-inhibitor antidepressants
Y49.2
Other and unspecified antidepressants
Y49.3
Phenothiazine antipsychotics and neuroleptics
Y49.4
Butyrophenone and thioxanthene neuroleptics
Y49.5
Other antipsychotics and neuroleptics
Y49.6
Psychodysleptics [hallucinogens]
Y49.7
Psychostimulants with abuse potential
Y49.8
Other psychotropic drugs, not elsewhere classified
Y49.9
Psychotropic drug, unspecified
Y50
Central nervous system stimulants, not elsewhere classified
Y50.0
Analeptics
Y50.1
Opioid receptor antagonists