ICD-10-CM > S00-T88 > T36-T50 > T49 > T49.0 > T49.0X > T49.0X6 T49.0X6 Underdosing of local antifungal, anti-infective and anti-inflammatory drugs Non-Billable/Non-Specific Codes T49.0X6A..., initial encounterT49.0X6D..., subsequent encounterT49.0X6S..., sequela