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T43 - Poisoning by, adverse effect of and underdosing of psychotropic drugs, not elsewhere classified


The ICD 10 Code for Poisoning by, adverse effect of and underdosing of psychotropic drugs, not elsewhere classified is listed as T43.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: T43
Description: 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.-)
  • The appropriate 7th character is to be added to each code from category T43
  • A - initial encounter
  • D - subsequent encounter
  • S - sequela
Chapter Injury, poisoning and certain other consequences of external causes (S00-T88)
ICD-10-CM Children (deeper level / typically more specific) of T43:
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