ICD-10-CM > S00-T88 > T36-T50 > T44 > T44.0 > T44.0X > T44.0X2 T44.0X2 Poisoning by anticholinesterase agents, intentional self-harm Non-Billable/Non-Specific Codes T44.0X2A..., initial encounterT44.0X2D..., subsequent encounterT44.0X2S..., sequela