ICD-10-CM > S00-T88 > S30-S39 > S34 > S34.1 > S34.12 > S34.124 S34.124 Incomplete lesion of L4 level of lumbar spinal cord Non-Billable/Non-Specific Applicable To Incomplete lesion of lumbar spinal cord level 4 Codes S34.124A..., initial encounterS34.124D..., subsequent encounterS34.124S..., sequela