ICD-10-CM > S00-T88 > T36-T50 > T49 > T49.7 > T49.7X > T49.7X4 T49.7X4 Poisoning by dental drugs, topically applied, undetermined Non-Billable/Non-Specific Codes T49.7X4A..., initial encounterT49.7X4D..., subsequent encounterT49.7X4S..., sequela