ICD-10-CM > S00-T88 > T36-T50 > T43 > T43.3 > T43.3X > T43.3X2 T43.3X2 Poisoning by phenothiazine antipsychotics and neuroleptics, intentional self-harm Non-Billable/Non-Specific Codes T43.3X2A..., initial encounterT43.3X2D..., subsequent encounterT43.3X2S..., sequela