ICD-10-CM > S00-T88 > S60-S69 > S63 > S63.1 > S63.11 > S63.112 S63.112 Subluxation of metacarpophalangeal joint of left thumb Non-Billable/Non-Specific Codes S63.112A..., initial encounterS63.112D..., subsequent encounterS63.112S..., sequela