Free Medical Coding > ICD10 CM > 2024 ICD-10-CM Codes > 2024 ICD-10-CM Codes S00-T88 – Injury, poisoning and certain other consequences of external causes (S00-T88) > 2024 ICD-10-CM Codes T36-T50 – Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50) > 2024 ICD-10-CM Codes T43 – Poisoning by, adverse effect of and underdosing of psychotropic drugs, not elsewhere classified (T43) > 2024 ICD-10-CM Codes T43.4 – Poisoning by, adverse effect of and underdosing of butyrophenone and thiothixene neuroleptics > 2024 ICD-10-CM Codes T43.4X – Poisoning by, adverse effect of and underdosing of butyrophenone and thiothixene neuroleptics (T43.4X) > 2024 ICD-10-CM Codes T43.4X6 – Underdosing of butyrophenone and thiothixene neuroleptics