ICD-10-CM > S00-T88 > S80-S89 > S86 > S86.9 > S86.92 > S86.921 S86.921 Laceration of unspecified muscle(s) and tendon(s) at lower leg level, right leg Non-Billable/Non-Specific Codes S86.921A..., initial encounterS86.921D..., subsequent encounterS86.921S..., sequela