ICD-10-CM > S00-T88 > S30-S39 > S34 > S34.2 S34.2 Injury of nerve root of lumbar and sacral spine Non-Billable/Non-Specific Codes S34.21Injury of nerve root of lumbar spineS34.21XA..., initial encounterS34.21XD..., subsequent encounterS34.21XS..., sequelaS34.22Injury of nerve root of sacral spineS34.22XA..., initial encounterS34.22XD..., subsequent encounterS34.22XS..., sequela