ICD-10-CM > S00-T88 > S40-S49 > S46 > S46.1 > S46.12 S46.12 Laceration of muscle, fascia and tendon of long head of biceps Non-Billable/Non-Specific Codes S46.121Laceration of muscle, fascia and tendon of long head of biceps, right armS46.121A..., initial encounterS46.121D..., subsequent encounterS46.121S..., sequelaS46.122Laceration of muscle, fascia and tendon of long head of biceps, left armS46.122A..., initial encounterS46.122D..., subsequent encounterS46.122S..., sequelaS46.129Laceration of muscle, fascia and tendon of long head of biceps, unspecified armS46.129A..., initial encounterS46.129D..., subsequent encounterS46.129S..., sequela