Excludes1

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

    Excludes2

    • cervical and cervicothoracic disc disorders (M50.-)
    • sacral and sacrococcygeal disorders (M53.3)
    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

      4. M51.37 Other intervertebral disc degeneration, lumbosacral region

    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.