ICD-10-CM Book 2025 Edition

Chapters  /  Chapter 13  /  M50-M54  /  M51
M51 Thoracic, thoracolumbar, and lumbosacral intervertebral disc disorders
Excludes2 cervical and cervicothoracic disc disorders (M50.-)
sacral and sacrococcygeal disorders (M53.3)
M51.0 Thoracic, thoracolumbar and lumbosacral intervertebral disc disorders with myelopathy
M51.04 Intervertebral disc disorders with myelopathy, thoracic region
M51.05 Intervertebral disc disorders with myelopathy, thoracolumbar region
M51.06 Intervertebral disc disorders with myelopathy, lumbar region
M51.1 Thoracic, thoracolumbar and lumbosacral intervertebral disc disorders with radiculopathy
Sciatica due to intervertebral disc disorder
Excludes1 lumbar radiculitis NOS (M54.16)
sciatica NOS (M54.3)
M51.14 Intervertebral disc disorders with radiculopathy, thoracic region
M51.15 Intervertebral disc disorders with radiculopathy, thoracolumbar region
M51.16 Intervertebral disc disorders with radiculopathy, lumbar region
M51.17 Intervertebral disc disorders with radiculopathy, lumbosacral region
M51.2 Other thoracic, thoracolumbar and lumbosacral intervertebral disc displacement
Lumbago due to displacement of intervertebral disc
M51.24 Other intervertebral disc displacement, thoracic region
M51.25 Other intervertebral disc displacement, thoracolumbar region
M51.26 Other intervertebral disc displacement, lumbar region
M51.27 Other intervertebral disc displacement, lumbosacral region
M51.3 Other thoracic, thoracolumbar and lumbosacral intervertebral disc degeneration
M51.34 Other intervertebral disc degeneration, thoracic region
M51.35 Other intervertebral disc degeneration, thoracolumbar region
M51.36 Other intervertebral disc degeneration, lumbar region
M51.360 Other intervertebral disc degeneration, lumbar region with discogenic back pain only
Other intervertebral disc degeneration, lumbar region with axial back pain only
M51.361 Other intervertebral disc degeneration, lumbar region with lower extremity pain only
Other intervertebral disc degeneration, lumbar region with leg pain only
Other intervertebral disc degeneration, lumbar region with referred sclerotomal pain only
M51.362 Other intervertebral disc degeneration, lumbar region with discogenic back pain and lower extremity pain
Other intervertebral disc degeneration, lumbar region with discogenic back pain and leg pain
Other intervertebral disc degeneration, lumbar region with axial back pain and referred sclerotomal pain
M51.369 Other intervertebral disc degeneration, lumbar region without mention of lumbar back pain or lower extremity pain
Other intervertebral disc degeneration, lumbar region without mention of lumbar back pain or leg pain
Other intervertebral disc degeneration, lumbar region, NOS
M51.37 Other intervertebral disc degeneration, lumbosacral region
M51.370 Other intervertebral disc degeneration, lumbosacral region with discogenic back pain only
Other intervertebral disc degeneration, lumbosacral region with axial back pain only
M51.371 Other intervertebral disc degeneration, lumbosacral region with lower extremity pain only
Other intervertebral disc degeneration, lumbosacral region with leg pain only
Other intervertebral disc degeneration, lumbosacral region with referred sclerotomal pain only
M51.372 Other intervertebral disc degeneration, lumbosacral region with discogenic back pain and lower extremity pain
Other intervertebral disc degeneration, lumbosacral region with discogenic back pain and leg pain
Other intervertebral disc degeneration, lumbosacral region with axial back pain and referred sclerotomal pain
M51.379 Other intervertebral disc degeneration, lumbosacral region without mention of lumbar back pain or lower extremity pain
Other intervertebral disc degeneration, lumbosacral region without mention of lumbar back pain or leg pain
Other intervertebral disc degeneration, lumbosacral region, NOS
M51.4 Schmorl's nodes
M51.44 Schmorl's nodes, thoracic region
M51.45 Schmorl's nodes, thoracolumbar region
M51.46 Schmorl's nodes, lumbar region
M51.47 Schmorl's nodes, lumbosacral region
M51.8 Other thoracic, thoracolumbar and lumbosacral intervertebral disc disorders
M51.84 Other intervertebral disc disorders, thoracic region
M51.85 Other intervertebral disc disorders, thoracolumbar region
M51.86 Other intervertebral disc disorders, lumbar region
M51.87 Other intervertebral disc disorders, lumbosacral region
M51.9 Unspecified thoracic, thoracolumbar and lumbosacral intervertebral disc disorder
M51.A Other lumbar and lumbosacral annulus fibrosus disc defects
M51.A0 Intervertebral annulus fibrosus defect, lumbar region, unspecified size
CodeFirst , if applicable, lumbar disc herniation (M51.06, M51.16, M51.26)
M51.A1 Intervertebral annulus fibrosus defect, small, lumbar region
CodeFirst , if applicable, lumbar disc herniation (M51.06, M51.16, M51.26)
M51.A2 Intervertebral annulus fibrosus defect, large, lumbar region
CodeFirst , if applicable, lumbar disc herniation (M51.06, M51.16, M51.26)
M51.A3 Intervertebral annulus fibrosus defect, lumbosacral region, unspecified size
CodeFirst , if applicable, lumbosacral disc herniation (M51.17, M51.27)
M51.A4 Intervertebral annulus fibrosus defect, small, lumbosacral region
CodeFirst , if applicable, lumbosacral disc herniation (M51.17, M51.27)
M51.A5 Intervertebral annulus fibrosus defect, large, lumbosacral region
CodeFirst , if applicable, lumbosacral disc herniation (M51.17, M51.27)