1. M40 Kyphosis and lordosis


    • congenital kyphosis and lordosis (Q76.4)
    • kyphoscoliosis (M41.-)
    • postprocedural kyphosis and lordosis (M96.-)
    1. M40.0 Postural kyphosis

      1. M40.00 Postural kyphosis, site unspecified

      2. M40.03 Postural kyphosis, cervicothoracic region

      3. M40.04 Postural kyphosis, thoracic region

      4. M40.05 Postural kyphosis, thoracolumbar region

    2. M40.1 Other secondary kyphosis

      1. M40.10 Other secondary kyphosis, site unspecified

      2. M40.12 Other secondary kyphosis, cervical region

      3. M40.13 Other secondary kyphosis, cervicothoracic region

      4. M40.14 Other secondary kyphosis, thoracic region

      5. M40.15 Other secondary kyphosis, thoracolumbar region

    3. M40.2 Other and unspecified kyphosis

      1. M40.20 Unspecified kyphosis

        • M40.202 Unspecified kyphosis, cervical region
        • M40.203 Unspecified kyphosis, cervicothoracic region
        • M40.204 Unspecified kyphosis, thoracic region
        • M40.205 Unspecified kyphosis, thoracolumbar region
        • M40.209 Unspecified kyphosis, site unspecified
      2. M40.29 Other kyphosis

        • M40.292 Other kyphosis, cervical region
        • M40.293 Other kyphosis, cervicothoracic region
        • M40.294 Other kyphosis, thoracic region
        • M40.295 Other kyphosis, thoracolumbar region
        • M40.299 Other kyphosis, site unspecified
    4. M40.3 Flatback syndrome

      1. M40.30 Flatback syndrome, site unspecified

      2. M40.35 Flatback syndrome, thoracolumbar region

      3. M40.36 Flatback syndrome, lumbar region

      4. M40.37 Flatback syndrome, lumbosacral region

    5. M40.4 Postural lordosis

      Inclusion term(s):

      • Acquired lordosis
      1. M40.40 Postural lordosis, site unspecified

      2. M40.45 Postural lordosis, thoracolumbar region

      3. M40.46 Postural lordosis, lumbar region

      4. M40.47 Postural lordosis, lumbosacral region

    6. M40.5 Lordosis, unspecified

      1. M40.50 Lordosis, unspecified, site unspecified

      2. M40.55 Lordosis, unspecified, thoracolumbar region

      3. M40.56 Lordosis, unspecified, lumbar region

      4. M40.57 Lordosis, unspecified, 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.