ICD-10-CM > S00-T88 > T36-T50 > T43 > T43.5 > T43.50 > T43.501 T43.501 Poisoning by unspecified antipsychotics and neuroleptics, accidental (unintentional) Non-Billable/Non-Specific Applicable To Poisoning by antipsychotics and neuroleptics NOS Codes T43.501A..., initial encounterT43.501D..., subsequent encounterT43.501S..., sequela