Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
T43: Poisoning by, adverse effect of and underdosing of psychotropic drugs, not elsewhere classified

excludes1
appetite depressants (T50.5-)
barbiturates (T42.3-)
benzodiazepines (T42.4-)
methaqualone (T42.6-)
psychodysleptics [hallucinogens] (T40.7-T40.9-)

excludes2
drug dependence and related mental and behavioral disorders due to psychoactive substance use (F10.- -F19.-)

sevenChrNote
The appropriate 7th character is to be added to each code from category T43

sevenChrDef
A: initial encounter
D: subsequent encounter
S: sequela
T43.0: Poisoning by, adverse effect of and underdosing of tricyclic and tetracyclic antidepressants
T43.1: Poisoning by, adverse effect of and underdosing of monoamine-oxidase-inhibitor antidepressants
T43.2: Poisoning by, adverse effect of and underdosing of other and unspecified antidepressants
T43.3: Poisoning by, adverse effect of and underdosing of phenothiazine antipsychotics and neuroleptics
T43.4: Poisoning by, adverse effect of and underdosing of butyrophenone and thiothixene neuroleptics
T43.5: Poisoning by, adverse effect of and underdosing of other and unspecified antipsychotics and neuroleptics
T43.6: Poisoning by, adverse effect of and underdosing of psychostimulants
T43.8: Poisoning by, adverse effect of and underdosing of other psychotropic drugs
T43.9: Poisoning by, adverse effect of and underdosing of unspecified psychotropic drug

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