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ICD-10-CM Current in FY 2027

M45.A1

Non-radiographic axial spondyloarthritis of occipito-atlanto-axial region

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where M45.A1 sits in the official hierarchy. Each level is the code it is classified under.

  1. M45 Ankylosing spondylitis
  2. M45.A Parent Non-radiographic axial spondyloarthritis
  3. M45.A1 This code Non-radiographic axial spondyloarthritis of occipito-atlanto-axial region

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Excludes1

arthropathy in Reiter's disease ( M02.3- )

Inherited from M45 — Ankylosing spondylitis

Excludes1

juvenile (ankylosing) spondylitis ( M08.1 )

Inherited from M45 — Ankylosing spondylitis

Excludes2

Behçet's disease ( M35.2 )

Inherited from M45 — Ankylosing spondylitis

Version History

How M45.A1 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Non-radiographic axial spondyloarthritis of occipito-atlanto-axial region

  2. FY 2026 Effective

    Unchanged

    Non-radiographic axial spondyloarthritis of occipito-atlanto-axial region

Related Codes

Other codes under M45.A

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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