ICD-10-CM > S00-T88 > S90-S99 > S96 > S96.0 > S96.01 S96.01 Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level Non-Billable/Non-Specific Codes S96.011Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, right footS96.011A..., initial encounterS96.011D..., subsequent encounterS96.011S..., sequelaS96.012Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, left footS96.012A..., initial encounterS96.012D..., subsequent encounterS96.012S..., sequelaS96.019Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, unspecified footS96.019A..., initial encounterS96.019D..., subsequent encounterS96.019S..., sequela