ICD-10-CM > S00-T88 > S80-S89 > S84 > S84.8 > S84.80 > S84.809 S84.809 Injury of other nerves at lower leg level, unspecified leg Non-Billable/Non-Specific Codes S84.809A..., initial encounterS84.809D..., subsequent encounterS84.809S..., sequela