Excludes1

  • current injury - see injury of spine by body region
  • discitis NOS (M46.4-)
  1. M51 Thoracic, thoracolumbar, and lumbosacral intervertebral disc disorders

    1. M51.0 Thoracic, thoracolumbar and lumbosacral intervertebral disc disorders with myelopathy

      1. M51.04 Intervertebral disc disorders with myelopathy, thoracic region

      2. M51.05 Intervertebral disc disorders with myelopathy, thoracolumbar region

      3. M51.06 Intervertebral disc disorders with myelopathy, lumbar region

    2. M51.1 Thoracic, thoracolumbar and lumbosacral intervertebral disc disorders with radiculopathy

      Inclusion term(s):

      • Sciatica due to intervertebral disc disorder
      1. M51.14 Intervertebral disc disorders with radiculopathy, thoracic region

      2. M51.15 Intervertebral disc disorders with radiculopathy, thoracolumbar region

      3. M51.16 Intervertebral disc disorders with radiculopathy, lumbar region

      4. M51.17 Intervertebral disc disorders with radiculopathy, lumbosacral region

    3. M51.2 Other thoracic, thoracolumbar and lumbosacral intervertebral disc displacement

      Inclusion term(s):

      • Lumbago due to displacement of intervertebral disc
      1. M51.24 Other intervertebral disc displacement, thoracic region

      2. M51.25 Other intervertebral disc displacement, thoracolumbar region

      3. M51.26 Other intervertebral disc displacement, lumbar region

      4. M51.27 Other intervertebral disc displacement, lumbosacral region

    4. M51.3 Other thoracic, thoracolumbar and lumbosacral intervertebral disc degeneration

      1. M51.34 Other intervertebral disc degeneration, thoracic region

      2. M51.35 Other intervertebral disc degeneration, thoracolumbar region

      3. M51.36 Other intervertebral disc degeneration, lumbar region

        • M51.360 Other intervertebral disc degeneration, lumbar region with discogenic back pain only

          Inclusion term(s):

          • Other intervertebral disc degeneration, lumbar region with axial back pain only
        • M51.361 Other intervertebral disc degeneration, lumbar region with lower extremity pain only

          Inclusion term(s):

          • 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

          Inclusion term(s):

          • 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

          Inclusion term(s):

          • Other intervertebral disc degeneration, lumbar region without mention of lumbar back pain or leg pain
          • Other intervertebral disc degeneration, lumbar region, NOS
      4. M51.37 Other intervertebral disc degeneration, lumbosacral region

        • M51.370 Other intervertebral disc degeneration, lumbosacral region with discogenic back pain only

          Inclusion term(s):

          • Other intervertebral disc degeneration, lumbosacral region with axial back pain only
        • M51.371 Other intervertebral disc degeneration, lumbosacral region with lower extremity pain only

          Inclusion term(s):

          • 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

          Inclusion term(s):

          • 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

          Inclusion term(s):

          • Other intervertebral disc degeneration, lumbosacral region without mention of lumbar back pain or leg pain
          • Other intervertebral disc degeneration, lumbosacral region, NOS
    5. M51.4 Schmorl's nodes

      1. M51.44 Schmorl's nodes, thoracic region

      2. M51.45 Schmorl's nodes, thoracolumbar region

      3. M51.46 Schmorl's nodes, lumbar region

      4. M51.47 Schmorl's nodes, lumbosacral region

    6. M51.8 Other thoracic, thoracolumbar and lumbosacral intervertebral disc disorders

      1. M51.84 Other intervertebral disc disorders, thoracic region

      2. M51.85 Other intervertebral disc disorders, thoracolumbar region

      3. M51.86 Other intervertebral disc disorders, lumbar region

      4. M51.87 Other intervertebral disc disorders, lumbosacral region

    7. M51.9 Unspecified thoracic, thoracolumbar and lumbosacral intervertebral disc disorder

    8. M51.A Other lumbar and lumbosacral annulus fibrosus disc defects

      1. M51.A0 Intervertebral annulus fibrosus defect, lumbar region, unspecified size

      2. M51.A1 Intervertebral annulus fibrosus defect, small, lumbar region

      3. M51.A2 Intervertebral annulus fibrosus defect, large, lumbar region

      4. M51.A3 Intervertebral annulus fibrosus defect, lumbosacral region, unspecified size

      5. M51.A4 Intervertebral annulus fibrosus defect, small, lumbosacral region

      6. M51.A5 Intervertebral annulus fibrosus defect, large, lumbosacral region

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.