M08.9
Non-billableJuvenile arthritis, unspecified
M08.9 is the ICD-10-CM code for Juvenile arthritis, unspecified. It is a non-billable category code — use a more specific child code such as M08.90 for billing.
M00-M99 Diseases of the musculoskeletal system and connective tissue
What this means — in plain language
MedlinePlus · NIHWhat is juvenile arthritis? Juvenile arthritis (JA) is arthritis that happens in children. It causes joint inflammation (swelling), pain, stiffness, and loss of motion. Joints are places where two bones meet, such as your elbow or knee. It can affect any joint, but it is more common in the knees, hands, and feet. JA can affect your child's growth and development, and in some cases, it can also affect other organs.…
Read more about Juvenile Arthritis at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Excludes1 — not coded here
- •juvenile rheumatoid arthritis, unspecified (M08.0-)
Frequently asked questions
- What is ICD-10 code M08.9?
- M08.9 is the ICD-10-CM code for "Juvenile arthritis, unspecified". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
- Is M08.9 a billable code?
- No — M08.9 is a non-billable header code. Use a more specific child code (such as M08.90) for billing.
- What are the subcodes of M08.9?
- M08.9 has 11 more specific child codes, including M08.90, M08.91, M08.92.
- What is excluded from M08.9?
- Excludes1 (not coded here): juvenile rheumatoid arthritis, unspecified (M08.0-).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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