M45.A

M45.A: Non-radiographic axial spondyloarthritis

Non-billable headerICD-10-CM

M45.A is a non-billable header ICD-10-CM code for non-radiographic axial spondyloarthritis. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 inherited from the categories above M45.A

A category’s note binds every code beneath it.

Written on M45: Ankylosing spondylitis

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

Excludes2 inherited from the categories above M45.A

Not part of this code, but both may be coded when both are present.

Written on M45: Ankylosing spondylitis

Behçet's disease (M35.2)

Other codes that can never be billed with M45.A

Their own Excludes1 notes name this code, so the conflict is not listed above.

G55Nerve root and plexus compressions in diseases classified elsewhere
M05Rheumatoid arthritis with rheumatoid factor

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead M45.A

10 child codes. Green means billable.