Ankylosing spondylitis M45- >

Applicable To
  • Rheumatoid arthritis of spine
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as M45. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • arthropathy in Reiter's disease (
    ICD-10-CM Diagnosis Code M02.3

    Reiter's disease

      2016 2017 2018 Non-Billable/Non-Specific Code
    Applicable To
    • Reactive arthritis
    M02.3-
    )
  • juvenile (ankylosing) spondylitis (
    ICD-10-CM Diagnosis Code M08.1

    Juvenile ankylosing spondylitis

      2016 2017 2018 Billable/Specific Code
    Type 1 Excludes
    • ankylosing spondylitis in adults (M45.0-)
    M08.1
    )
Type 2 Excludes
Type 2 Excludes Help
A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (M45) and the excluded code together.
  • Behçet's disease (
    ICD-10-CM Diagnosis Code M35.2

    Behçet's disease

      2016 2017 2018 Billable/Specific Code
    M35.2
    )
Clinical Information

Codes