ICD-10-CM > S00-T88 > S90-S99 > S96 > S96.2 > S96.21 > S96.219 S96.219 Strain of intrinsic muscle and tendon at ankle and foot level, unspecified foot Non-Billable/Non-Specific Codes S96.219A..., initial encounterS96.219D..., subsequent encounterS96.219S..., sequela