ICD-10-CM > S00-T88 > S60-S69 > S63 > S63.6 > S63.63 > S63.630 S63.630 Sprain of interphalangeal joint of right index finger Non-Billable/Non-Specific Codes S63.630A..., initial encounterS63.630D..., subsequent encounterS63.630S..., sequela