ICD-10-CM > S00-T88 > S80-S89 > S86 > S86.8 > S86.81 > S86.812 S86.812 Strain of other muscle(s) and tendon(s) at lower leg level, left leg Non-Billable/Non-Specific Codes S86.812A..., initial encounterS86.812D..., subsequent encounterS86.812S..., sequela