ICD-10-CM > S00-T88 > T36-T50 > T44 > T44.0 > T44.0X T44.0X Poisoning by, adverse effect of and underdosing of anticholinesterase agents Non-Billable/Non-Specific Codes T44.0X1Poisoning by anticholinesterase agents, accidental (unintentional)T44.0X1A..., initial encounterT44.0X1D..., subsequent encounterT44.0X1S..., sequelaT44.0X2Poisoning by anticholinesterase agents, intentional self-harmT44.0X2A..., initial encounterT44.0X2D..., subsequent encounterT44.0X2S..., sequelaT44.0X3Poisoning by anticholinesterase agents, assaultT44.0X3A..., initial encounterT44.0X3D..., subsequent encounterT44.0X3S..., sequelaT44.0X4Poisoning by anticholinesterase agents, undeterminedT44.0X4A..., initial encounterT44.0X4D..., subsequent encounterT44.0X4S..., sequelaT44.0X5Adverse effect of anticholinesterase agentsT44.0X5A..., initial encounterT44.0X5D..., subsequent encounterT44.0X5S..., sequelaT44.0X6Underdosing of anticholinesterase agentsT44.0X6A..., initial encounterT44.0X6D..., subsequent encounterT44.0X6S..., sequela