ICD-10-CM > S00-T88 > S90-S99 > S96 > S96.8 > S96.81 > S96.819 S96.819 Strain of other specified muscles and tendons at ankle and foot level, unspecified foot Non-Billable/Non-Specific Codes S96.819A..., initial encounterS96.819D..., subsequent encounterS96.819S..., sequela