ICD-10-CM > S00-T88 > T36-T50 > T47 > T47.6 > T47.6X > T47.6X4 T47.6X4 Poisoning by antidiarrheal drugs, undetermined Non-Billable/Non-Specific Codes T47.6X4A..., initial encounterT47.6X4D..., subsequent encounterT47.6X4S..., sequela