ICD-10-CM > S00-T88 > S80-S89 > S84 > S84.0 S84.0 Injury of tibial nerve at lower leg level Non-Billable/Non-Specific Codes S84.00Injury of tibial nerve at lower leg level, unspecified legS84.00XA..., initial encounterS84.00XD..., subsequent encounterS84.00XS..., sequelaS84.01Injury of tibial nerve at lower leg level, right legS84.01XA..., initial encounterS84.01XD..., subsequent encounterS84.01XS..., sequelaS84.02Injury of tibial nerve at lower leg level, left legS84.02XA..., initial encounterS84.02XD..., subsequent encounterS84.02XS..., sequela