ICD-10-CM > S00-T88 > S90-S99 > S96 > S96.1 > S96.12 S96.12 Laceration of muscle and tendon of long extensor muscle of toe at ankle and foot level Non-Billable/Non-Specific Codes S96.121Laceration of muscle and tendon of long extensor muscle of toe at ankle and foot level, right footS96.121A..., initial encounterS96.121D..., subsequent encounterS96.121S..., sequelaS96.122Laceration of muscle and tendon of long extensor muscle of toe at ankle and foot level, left footS96.122A..., initial encounterS96.122D..., subsequent encounterS96.122S..., sequelaS96.129Laceration of muscle and tendon of long extensor muscle of toe at ankle and foot level, unspecified footS96.129A..., initial encounterS96.129D..., subsequent encounterS96.129S..., sequela