| M45 |
Ankylosing spondylitis |
| M45.0 |
Ankylosing spondylitis of multiple sites in spine |
| M45.1 |
Ankylosing spondylitis of occipito-atlanto-axial region |
| M45.2 |
Ankylosing spondylitis of cervical region |
| M45.3 |
Ankylosing spondylitis of cervicothoracic region |
| M45.4 |
Ankylosing spondylitis of thoracic region |
| M45.5 |
Ankylosing spondylitis of thoracolumbar region |
| M45.6 |
Ankylosing spondylitis lumbar region |
| M45.7 |
Ankylosing spondylitis of lumbosacral region |
| M45.8 |
Ankylosing spondylitis sacral and sacrococcygeal region |
| M45.9 |
Ankylosing spondylitis of unspecified sites in spine |
| M45.A0 |
Non-radiographic axial spondyloarthritis of unspecified sites in spine |
| M45.A1 |
Non-radiographic axial spondyloarthritis of occipito-atlanto-axial region |
| M45.A2 |
Non-radiographic axial spondyloarthritis of cervical region |
| M45.A3 |
Non-radiographic axial spondyloarthritis of cervicothoracic region |
| M45.A4 |
Non-radiographic axial spondyloarthritis of thoracic region |
| M45.A5 |
Non-radiographic axial spondyloarthritis of thoracolumbar region |
| M45.A6 |
Non-radiographic axial spondyloarthritis of lumbar region |
| M45.A7 |
Non-radiographic axial spondyloarthritis of lumbosacral region |
| M45.A8 |
Non-radiographic axial spondyloarthritis of sacral and sacrococcygeal region |
| M45.AB |
Non-radiographic axial spondyloarthritis of multiple sites in spine |