ICD-10-CM > S00-T88 > T36-T50 > T44 > T44.1 > T44.1X > T44.1X4 T44.1X4 Poisoning by other parasympathomimetics [cholinergics], undetermined Non-Billable/Non-Specific Codes T44.1X4A..., initial encounterT44.1X4D..., subsequent encounterT44.1X4S..., sequela