ICD-10-CM > S00-T88 > S80-S89 > S84 > S84.1 S84.1 Injury of peroneal nerve at lower leg level Non-Billable/Non-Specific Codes S84.10Injury of peroneal nerve at lower leg level, unspecified legS84.10XA..., initial encounterS84.10XD..., subsequent encounterS84.10XS..., sequelaS84.11Injury of peroneal nerve at lower leg level, right legS84.11XA..., initial encounterS84.11XD..., subsequent encounterS84.11XS..., sequelaS84.12Injury of peroneal nerve at lower leg level, left legS84.12XA..., initial encounterS84.12XD..., subsequent encounterS84.12XS..., sequela