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M08.21

Non-billable

Juvenile rheumatoid arthritis with systemic onset, shoulder

M08.21 is the ICD-10-CM code for Juvenile rheumatoid arthritis with systemic onset, shoulder. It is a non-billable category code — use a more specific child code such as M08.211 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Parent
M08.2
Subcodes
3
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code M08.21?
M08.21 is the ICD-10-CM code for "Juvenile rheumatoid arthritis with systemic onset, shoulder". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M08.21 a billable code?
No — M08.21 is a non-billable header code. Use a more specific child code (such as M08.211) for billing.
What are the subcodes of M08.21?
M08.21 has 3 more specific child codes, including M08.211, M08.212, M08.219.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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