ICD-10-CM > S00-T88 > S60-S69 > S60 > S60.3 > S60.32 > S60.329 S60.329 Blister (nonthermal) of unspecified thumb Non-Billable/Non-Specific Codes S60.329A..., initial encounterS60.329D..., subsequent encounterS60.329S..., sequela