ICD-10-CM > S00-T88 > T36-T50 > T47 > T47.5 > T47.5X > T47.5X4 T47.5X4 Poisoning by digestants, undetermined Non-Billable/Non-Specific Codes T47.5X4A..., initial encounterT47.5X4D..., subsequent encounterT47.5X4S..., sequela