T43.506 - Underdosing of unspecified antipsychotics and neuroleptics T43.5 - Poisoning by, adverse effect of and underdosing of other and unspecified antipsychotics and neuroleptics T43.50 - Poisoning by, adverse effect of and underdosing of unspecified antipsychotics and neuroleptics T43.506 - Underdosing of unspecified antipsychotics and neuroleptics