| M40 | Kyphosis and lordosis |
| | Postural kyphosis |
| | Postural kyphosis, site unspecified |
| | Postural kyphosis, cervicothoracic region |
| | Postural kyphosis, thoracic region |
| | Postural kyphosis, thoracolumbar region |
| | Other secondary kyphosis |
| | Other secondary kyphosis, site unspecified |
| | Other secondary kyphosis, cervical region |
| | Other secondary kyphosis, cervicothoracic region |
| | Other secondary kyphosis, thoracic region |
| | Other secondary kyphosis, thoracolumbar region |
| | Other and unspecified kyphosis |
| | Unspecified kyphosis |
| | Unspecified kyphosis, cervical region |
| | Unspecified kyphosis, cervicothoracic region |
| | Unspecified kyphosis, thoracic region |
| | Unspecified kyphosis, thoracolumbar region |
| | Unspecified kyphosis, site unspecified |
| | Other kyphosis |
| | Other kyphosis, cervical region |
| | Other kyphosis, cervicothoracic region |
| | Other kyphosis, thoracic region |
| | Other kyphosis, thoracolumbar region |
| | Other kyphosis, site unspecified |
| | Flatback syndrome |
| | Flatback syndrome, site unspecified |
| | Flatback syndrome, thoracolumbar region |
| | Flatback syndrome, lumbar region |
| | Flatback syndrome, lumbosacral region |
| | Postural lordosis |
| | Postural lordosis, site unspecified |
| | Postural lordosis, thoracolumbar region |
| | Postural lordosis, lumbar region |
| | Postural lordosis, lumbosacral region |
| | Lordosis, unspecified |
| | Lordosis, unspecified, site unspecified |
| | Lordosis, unspecified, thoracolumbar region |
| | Lordosis, unspecified, lumbar region |
| | Lordosis, unspecified, lumbosacral region |
