M45 Non-Billable Code

Ankylosing spondylitis

Chapter Classification

Chapter 13 Diseases of the musculoskeletal system and connective tissue (M00-M99)

Section Detail

M45-M49 Spondylopathies (M45-M49)

Coding Guidelines & Notes

excludes1

arthropathy in Reiter's disease (M02.3-)
juvenile (ankylosing) spondylitis (M08.1)

excludes2

Behçet's disease (M35.2)

More Specific Diagnosis Codes

This code is not billable as it requires a higher level of specificity. Select a more specific code below.

M45.0 - Ankylosing spondylitis of multiple sites in spine Billable
M45.1 - Ankylosing spondylitis of occipito-atlanto-axial region Billable
M45.2 - Ankylosing spondylitis of cervical region Billable
M45.3 - Ankylosing spondylitis of cervicothoracic region Billable
M45.4 - Ankylosing spondylitis of thoracic region Billable
M45.5 - Ankylosing spondylitis of thoracolumbar region Billable
M45.6 - Ankylosing spondylitis lumbar region Billable
M45.7 - Ankylosing spondylitis of lumbosacral region Billable
M45.8 - Ankylosing spondylitis sacral and sacrococcygeal region Billable
M45.9 - Ankylosing spondylitis of unspecified sites in spine Billable
M45.A - Non-radiographic axial spondyloarthritis

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