ICD-10-CM > S00-T88 > S60-S69 > S60 > S60.8 > S60.82 > S60.821 S60.821 Blister (nonthermal) of right wrist Non-Billable/Non-Specific Codes S60.821A..., initial encounterS60.821D..., subsequent encounterS60.821S..., sequela