ICD-10-CM > S00-T88 > S60-S69 > S63 > S63.1 > S63.12 > S63.125 S63.125 Dislocation of interphalangeal joint of left thumb Non-Billable/Non-Specific Codes S63.125A..., initial encounterS63.125D..., subsequent encounterS63.125S..., sequela