ICD-10-CM > S00-T88 > S60-S69 > S63 > S63.2 > S63.23 > S63.236 S63.236 Subluxation of proximal interphalangeal joint of right little finger Non-Billable/Non-Specific Codes S63.236A..., initial encounterS63.236D..., subsequent encounterS63.236S..., sequela