ICD-10-CM > S00-T88 > S60-S69 > S63 > S63.0 > S63.04 > S63.045 S63.045 Dislocation of carpometacarpal joint of left thumb Non-Billable/Non-Specific Codes S63.045A..., initial encounterS63.045D..., subsequent encounterS63.045S..., sequela