M45
Ankylosing spondylitis
Non-billableCategory
Coding Guidelines
Inclusion Terms
- Rheumatoid arthritis of spine
Excludes1 (Mutually Exclusive)
These codes should never be used together with M45
- arthropathy in Reiter's disease (M02.3-)
- M08.1 - juvenile (ankylosing) spondylitis (M08.1)
Excludes2 (Not Included Here)
These conditions are not part of this code but may be reported additionally if documented
- M35.2 - Behçet's disease (M35.2)
Specific Codes (11)
M45.0Billable
Ankylosing spondylitis of multiple sites in spine
M45.1Billable
Ankylosing spondylitis of occipito-atlanto-axial region
M45.2Billable
Ankylosing spondylitis of cervical region
M45.3Billable
Ankylosing spondylitis of cervicothoracic region
M45.4Billable
Ankylosing spondylitis of thoracic region
M45.5Billable
Ankylosing spondylitis of thoracolumbar region
M45.6Billable
Ankylosing spondylitis lumbar region
M45.7Billable
Ankylosing spondylitis of lumbosacral region
M45.8Billable
Ankylosing spondylitis sacral and sacrococcygeal region
M45.9Billable
Ankylosing spondylitis of unspecified sites in spine
M45.ACategory
Non-radiographic axial spondyloarthritis
