ICD-10-CM > S00-T88 > S60-S69 > S63 > S63.4 > S63.41 > S63.417 S63.417 Traumatic rupture of collateral ligament of left little finger at metacarpophalangeal and interphalangeal joint Non-Billable/Non-Specific Codes S63.417A..., initial encounterS63.417D..., subsequent encounterS63.417S..., sequela