ICD-10-CM > S00-T88 > S60-S69 > S63 > S63.2 > S63.23 > S63.238 S63.238 Subluxation of proximal interphalangeal joint of other finger Non-Billable/Non-Specific Applicable To Subluxation of proximal interphalangeal joint of specified finger with unspecified laterality Codes S63.238A..., initial encounterS63.238D..., subsequent encounterS63.238S..., sequela