| M40.20 | Unspecified kyphosis | NON-BILLABLE CODE |
| M40.202 | Unspecified kyphosis, cervical region | BILLABLE CODE |
| M40.203 | Unspecified kyphosis, cervicothoracic region | BILLABLE CODE |
| M40.204 | Unspecified kyphosis, thoracic region | BILLABLE CODE |
| M40.205 | Unspecified kyphosis, thoracolumbar region | BILLABLE CODE |
| M40.209 | Unspecified kyphosis, site unspecified | BILLABLE CODE |
| M40.29 | Other kyphosis | NON-BILLABLE CODE |
| M40.292 | Other kyphosis, cervical region | BILLABLE CODE |
| M40.293 | Other kyphosis, cervicothoracic region | BILLABLE CODE |
| M40.294 | Other kyphosis, thoracic region | BILLABLE CODE |
| M40.295 | Other kyphosis, thoracolumbar region | BILLABLE CODE |
| M40.299 | Other kyphosis, site unspecified | BILLABLE CODE |
