M08.0
⚠ Non-billable (Header)Unspecified juvenile rheumatoid arthritis
Diseases of the musculoskeletal system and connective tissue (M00-M99)
⚠️ This is a category header code — not billable. Use a more specific child code below.
Also Known As
❌ Excludes1
inheritedRules inherited from parent codes in the hierarchy.
- • arthropathy in Whipple's disease (M14.8)
- • Felty's syndrome (M05.0)
- • juvenile dermatomyositis (M33.0-)
- • psoriatic juvenile arthropathy (L40.54)
Child Codes (11)
Clinical Description
ICD-10-CM code M08.0 represents unspecified juvenile rheumatoid arthritis. This code falls under the Diseases of the musculoskeletal system and connective tissue (M00-M99) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.
This is a 5-character code at the 4th level of specificity. There are 11 more specific child codes under M08.0. Coders should note that M08.0 has 4 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.
Frequently Asked Questions
What is ICD-10 code M08.0?
ICD-10-CM code M08.0 is "Unspecified juvenile rheumatoid arthritis". It belongs to the category: Diseases of the musculoskeletal system and connective tissue (M00-M99).
Is M08.0 a billable ICD-10 code?
No, M08.0 is a non-billable header code. A more specific child code must be used for billing.
What codes are excluded with M08.0?
M08.0 has 4 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
Related Codes in M08
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)