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