ICD-10-CM > M00-M99 > M50-M54 > M51 > M51.A > M51.A0 M51.A0 Intervertebral annulus fibrosus defect, lumbar region, unspecified size Billable/Specific Copy Code Copy Description Code First , if applicable, lumbar disc herniation (M51.06, M51.16, M51.26)