ICD-10-CM > S00-T88 > T36-T50 > T47 > T47.1 > T47.1X > T47.1X4 T47.1X4 Poisoning by other antacids and anti-gastric-secretion drugs, undetermined Non-Billable/Non-Specific Codes T47.1X4A..., initial encounterT47.1X4D..., subsequent encounterT47.1X4S..., sequela