ICD-10-CM > S00-T88 > S60-S69 > S63 > S63.6 > S63.65 > S63.651 S63.651 Sprain of metacarpophalangeal joint of left index finger Non-Billable/Non-Specific Codes S63.651A..., initial encounterS63.651D..., subsequent encounterS63.651S..., sequela