ICD-10-CM > S00-T88 > S60-S69 > S63 > S63.2 > S63.23 > S63.230 S63.230 Subluxation of proximal interphalangeal joint of right index finger Non-Billable/Non-Specific Codes S63.230A..., initial encounterS63.230D..., subsequent encounterS63.230S..., sequela