ICD-10-CM > S00-T88 > S60-S69 > S63 > S63.2 > S63.21 > S63.210 S63.210 Subluxation of metacarpophalangeal joint of right index finger Non-Billable/Non-Specific Codes S63.210A..., initial encounterS63.210D..., subsequent encounterS63.210S..., sequela