ICD-10-CM > S00-T88 > S30-S39 > S34 > S34.1 > S34.10 > S34.104 > S34.104A S34.104A Unspecified injury to L4 level of lumbar spinal cord, initial encounter Billable/Specific Copy Code Copy Description Applicable To Unspecified injury to lumbar spinal cord level 4