ICD-10-CM > M00-M99 > M50-M54 > M51 > M51.A > M51.A3 M51.A3 Intervertebral annulus fibrosus defect, lumbosacral region, unspecified size Billable/Specific Copy Code Copy Description Code First , if applicable, lumbosacral disc herniation (M51.17, M51.27)