ICD-10-CM > S00-T88 > S90-S99 > S96 > S96.0 > S96.01 > S96.012 S96.012 Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, left foot Non-Billable/Non-Specific Codes S96.012A..., initial encounterS96.012D..., subsequent encounterS96.012S..., sequela