1. M43 Other deforming dorsopathies

    1. M43.0 Spondylolysis

      1. M43.00 Spondylolysis, site unspecified

      2. M43.01 Spondylolysis, occipito-atlanto-axial region

      3. M43.02 Spondylolysis, cervical region

      4. M43.03 Spondylolysis, cervicothoracic region

      5. M43.04 Spondylolysis, thoracic region

      6. M43.05 Spondylolysis, thoracolumbar region

      7. M43.06 Spondylolysis, lumbar region

      8. M43.07 Spondylolysis, lumbosacral region

      9. M43.08 Spondylolysis, sacral and sacrococcygeal region

      10. M43.09 Spondylolysis, multiple sites in spine

    2. M43.1 Spondylolisthesis

      1. M43.10 Spondylolisthesis, site unspecified

      2. M43.11 Spondylolisthesis, occipito-atlanto-axial region

      3. M43.12 Spondylolisthesis, cervical region

      4. M43.13 Spondylolisthesis, cervicothoracic region

      5. M43.14 Spondylolisthesis, thoracic region

      6. M43.15 Spondylolisthesis, thoracolumbar region

      7. M43.16 Spondylolisthesis, lumbar region

      8. M43.17 Spondylolisthesis, lumbosacral region

      9. M43.18 Spondylolisthesis, sacral and sacrococcygeal region

      10. M43.19 Spondylolisthesis, multiple sites in spine

    3. M43.2 Fusion of spine

      Inclusion term(s):

      • Ankylosis of spinal joint
      1. M43.20 Fusion of spine, site unspecified

      2. M43.21 Fusion of spine, occipito-atlanto-axial region

      3. M43.22 Fusion of spine, cervical region

      4. M43.23 Fusion of spine, cervicothoracic region

      5. M43.24 Fusion of spine, thoracic region

      6. M43.25 Fusion of spine, thoracolumbar region

      7. M43.26 Fusion of spine, lumbar region

      8. M43.27 Fusion of spine, lumbosacral region

      9. M43.28 Fusion of spine, sacral and sacrococcygeal region

    4. M43.3 Recurrent atlantoaxial dislocation with myelopathy

    5. M43.4 Other recurrent atlantoaxial dislocation

    6. M43.5 Other recurrent vertebral dislocation

      1. M43.5X Other recurrent vertebral dislocation

        • M43.5X2 Other recurrent vertebral dislocation, cervical region
        • M43.5X3 Other recurrent vertebral dislocation, cervicothoracic region
        • M43.5X4 Other recurrent vertebral dislocation, thoracic region
        • M43.5X5 Other recurrent vertebral dislocation, thoracolumbar region
        • M43.5X6 Other recurrent vertebral dislocation, lumbar region
        • M43.5X7 Other recurrent vertebral dislocation, lumbosacral region
        • M43.5X8 Other recurrent vertebral dislocation, sacral and sacrococcygeal region
        • M43.5X9 Other recurrent vertebral dislocation, site unspecified
    7. M43.6 Torticollis

    8. M43.8 Other specified deforming dorsopathies

      1. M43.8X Other specified deforming dorsopathies

        • M43.8X1 Other specified deforming dorsopathies, occipito-atlanto-axial region
        • M43.8X2 Other specified deforming dorsopathies, cervical region
        • M43.8X3 Other specified deforming dorsopathies, cervicothoracic region
        • M43.8X4 Other specified deforming dorsopathies, thoracic region
        • M43.8X5 Other specified deforming dorsopathies, thoracolumbar region
        • M43.8X6 Other specified deforming dorsopathies, lumbar region
        • M43.8X7 Other specified deforming dorsopathies, lumbosacral region
        • M43.8X8 Other specified deforming dorsopathies, sacral and sacrococcygeal region
        • M43.8X9 Other specified deforming dorsopathies, site unspecified
    9. M43.9 Deforming dorsopathy, unspecified

      Inclusion term(s):

      • Curvature of spine NOS
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.