ICD-10-CM > S00-T88 > S60-S69 > S60 > S60.4 > S60.42 > S60.427 S60.427 Blister (nonthermal) of left little finger Non-Billable/Non-Specific Codes S60.427A..., initial encounterS60.427D..., subsequent encounterS60.427S..., sequela