M08.1
Billable codeJuvenile ankylosing spondylitis
The ICD-10 code for juvenile ankylosing spondylitis is M08.1.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
- ankylosing spondylitis in adults (M45.0-)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- M08.0Unspecified juvenile rheumatoid arthritisnon-billable header
- M08.2Juvenile rheumatoid arthritis with systemic onsetnon-billable header
- M08.3Juvenile rheumatoid polyarthritis (seronegative)
- M08.4Pauciarticular juvenile rheumatoid arthritisnon-billable header
- M08.8Other juvenile arthritisnon-billable header
- M08.9Juvenile arthritis, unspecifiednon-billable header
- M08.1Juvenile ankylosing spondylitis
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 7200Approximate match
Associated MS-DRGs
M08.1 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.