ICD-10-CM > S00-T88 > S80-S89 > S84 > S84.2 S84.2 Injury of cutaneous sensory nerve at lower leg level Non-Billable/Non-Specific Codes S84.20Injury of cutaneous sensory nerve at lower leg level, unspecified legS84.20XA..., initial encounterS84.20XD..., subsequent encounterS84.20XS..., sequelaS84.21Injury of cutaneous sensory nerve at lower leg level, right legS84.21XA..., initial encounterS84.21XD..., subsequent encounterS84.21XS..., sequelaS84.22Injury of cutaneous sensory nerve at lower leg level, left legS84.22XA..., initial encounterS84.22XD..., subsequent encounterS84.22XS..., sequela