ICD-10-CM M51: Thoracic, thoracolumbar, and lumbosacral intervertebral disc disorders

ICD-10-CM Diagnosis Code (2025)

Official Description for M51

Thoracic, thoracolumbar, and lumbosacral intervertebral disc disorders

Coding Notes & Guidelines for M51

Excludes1: Not Coded Here
  • lumbar radiculitis NOS (M54.16)
  • sciatica NOS (M54.3)
Excludes2: Not Included Here
  • cervical and cervicothoracic disc disorders (M50.-)
  • sacral and sacrococcygeal disorders (M53.3)
Code First

, if applicable, lumbar disc herniation (M51.06, M51.16, M51.26)

Code First

, if applicable, lumbar disc herniation (M51.06, M51.16, M51.26)

Code First

, if applicable, lumbar disc herniation (M51.06, M51.16, M51.26)

Code First

, if applicable, lumbosacral disc herniation (M51.17, M51.27)

Code First

, if applicable, lumbosacral disc herniation (M51.17, M51.27)

Code First

, if applicable, lumbosacral disc herniation (M51.17, M51.27)

Inclusion Terms

Sciatica due to intervertebral disc disorder

Inclusion Terms

Lumbago due to displacement of intervertebral disc

Inclusion Terms

Other intervertebral disc degeneration, lumbar region with axial back pain only

Inclusion Terms
  • Other intervertebral disc degeneration, lumbar region with leg pain only
  • Other intervertebral disc degeneration, lumbar region with referred sclerotomal pain only
Inclusion Terms
  • 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
Inclusion Terms
  • Other intervertebral disc degeneration, lumbar region without mention of lumbar back pain or leg pain
  • Other intervertebral disc degeneration, lumbar region, NOS
Inclusion Terms

Other intervertebral disc degeneration, lumbosacral region with axial back pain only

Inclusion Terms
  • Other intervertebral disc degeneration, lumbosacral region with leg pain only
  • Other intervertebral disc degeneration, lumbosacral region with referred sclerotomal pain only
Inclusion Terms
  • 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
Inclusion Terms
  • Other intervertebral disc degeneration, lumbosacral region without mention of lumbar back pain or leg pain
  • Other intervertebral disc degeneration, lumbosacral region, NOS

Child Codes (More Specific Codes for M51):

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 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 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 M51.361 - Other intervertebral disc degeneration, lumbar region with lower extremity pain only M51.362 - Other intervertebral disc degeneration, lumbar region with discogenic back pain and lower extremity pain M51.369 - Other intervertebral disc degeneration, lumbar region without mention of lumbar back pain or lower extremity pain M51.37 - Other intervertebral disc degeneration, lumbosacral region M51.370 - Other intervertebral disc degeneration, lumbosacral region with discogenic back pain only M51.371 - Other intervertebral disc degeneration, lumbosacral region with lower extremity pain only M51.372 - Other intervertebral disc degeneration, lumbosacral region with discogenic back pain and lower extremity pain M51.379 - Other intervertebral disc degeneration, lumbosacral region without mention of lumbar back pain or lower extremity pain 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 M51.A1 - Intervertebral annulus fibrosus defect, small, lumbar region M51.A2 - Intervertebral annulus fibrosus defect, large, lumbar region M51.A3 - Intervertebral annulus fibrosus defect, lumbosacral region, unspecified size M51.A4 - Intervertebral annulus fibrosus defect, small, lumbosacral region M51.A5 - Intervertebral annulus fibrosus defect, large, lumbosacral region

About ICD-10-CM Code M51 (Thoracic)

ICD-10-CM code M51 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM M51 became effective on October 1, 2024.

This page provides detailed information about M51 - Thoracic, thoracolumbar, and lumbosacral intervertebral disc disorders. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Thoracic related to thoracolumbar, and lumbosacral intervertebral disc disorders.