ICD-10-CM > S00-T88 > S80-S89 > S86 > S86.2 > S86.22 > S86.229 S86.229 Laceration of muscle(s) and tendon(s) of anterior muscle group at lower leg level, unspecified leg Non-Billable/Non-Specific Codes S86.229A..., initial encounterS86.229D..., subsequent encounterS86.229S..., sequela