| ICD-10 Code | Description |
| M40.00 | Postural kyphosis, site unspecified |
| M40.03 | Postural kyphosis, cervicothoracic region |
| M40.04 | Postural kyphosis, thoracic region |
| M40.05 | Postural kyphosis, thoracolumbar region |
| M40.10 | Other secondary kyphosis, site unspecified |
| M40.12 | Other secondary kyphosis, cervical region |
| M40.13 | Other secondary kyphosis, cervicothoracic region |
| M40.14 | Other secondary kyphosis, thoracic region |
| M40.15 | Other secondary kyphosis, thoracolumbar region |
| 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 |
| 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 |
| M40.30 | Flatback syndrome, site unspecified |
| M40.35 | Flatback syndrome, thoracolumbar region |
| M40.36 | Flatback syndrome, lumbar region |
| M40.37 | Flatback syndrome, lumbosacral region |
| M40.40 | Postural lordosis, site unspecified |
| M40.45 | Postural lordosis, thoracolumbar region |
| M40.46 | Postural lordosis, lumbar region |
| M40.47 | Postural lordosis, lumbosacral region |
| M40.50 | Lordosis, unspecified, site unspecified |
| M40.55 | Lordosis, unspecified, thoracolumbar region |
| M40.56 | Lordosis, unspecified, lumbar region |
| M40.57 | Lordosis, unspecified, lumbosacral region |
