ICD-10-CM > S00-T88 > S90-S99 > S94 > S94.9 > S94.91 S94.91 Injury of unspecified nerve at ankle and foot level, right leg Non-Billable/Non-Specific Codes S94.91XA..., initial encounterS94.91XD..., subsequent encounterS94.91XS..., sequela