ICD-10-CM > S00-T88 > T36-T50 > T49 > T49.8 > T49.8X > T49.8X5 T49.8X5 Adverse effect of other topical agents Non-Billable/Non-Specific Codes T49.8X5A..., initial encounterT49.8X5D..., subsequent encounterT49.8X5S..., sequela