M08.1
ICD-10BillableJuvenile ankylosing spondylitis
Official ICD-10-CM descriptor (FY2026)
Juvenile ankylosing spondylitis
M08.1 is valid for submission on a claim — CMS flags it as a billable, specific code.
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- ankylosing spondylitis in adults (M45.0-)
Related codes in M08
- M08.0Unspecified juvenile rheumatoid arthritiscategory
- M08.2Juvenile rheumatoid arthritis with systemic onsetcategory
- M08.3Juvenile rheumatoid polyarthritis (seronegative)
- M08.4Pauciarticular juvenile rheumatoid arthritiscategory
- M08.8Other juvenile arthritiscategory
- M08.9Juvenile arthritis, unspecifiedcategory
Where this code sits
- Parent code
- M08
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.