Type 1 Excludes
- arthropathy in Reiter’s disease (M02.3-)
- juvenile (ankylosing) spondylitis (M08.1)
Type 2 Excludes
- Behçet’s disease (M35.2)
- Codes Description
- 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.A
Non-radiographic axial spondyloarthritis