ICD-10-CM > S00-T88 > S90-S99 > S94 > S94.2 > S94.21 S94.21 Injury of deep peroneal nerve at ankle and foot level, right leg Non-Billable/Non-Specific Codes S94.21XA..., initial encounterS94.21XD..., subsequent encounterS94.21XS..., sequela