ICD-10-CM > S00-T88 > S90-S99 > S94 > S94.9 > S94.90 S94.90 Injury of unspecified nerve at ankle and foot level, unspecified leg Non-Billable/Non-Specific Codes S94.90XA..., initial encounterS94.90XD..., subsequent encounterS94.90XS..., sequela