ICD-10-CM > S00-T88 > T36-T50 > T44 > T44.2 > T44.2X > T44.2X4 T44.2X4 Poisoning by ganglionic blocking drugs, undetermined Non-Billable/Non-Specific Codes T44.2X4A..., initial encounterT44.2X4D..., subsequent encounterT44.2X4S..., sequela