ICD-10 Code M05.221 – Rheumatoid vasculitis with rheumatoid arthritis of right elbow (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code M05.221 – Rheumatoid vasculitis with rheumatoid arthritis of right elbow
What it is
This code identifies rheumatoid arthritis affecting the right elbow with associated rheumatoid vasculitis. Use it when the record documents both the inflammatory joint disease and vasculitic involvement.
Clinical signs
Findings may include chronic inflammatory elbow pain, swelling, stiffness, and reduced range of motion, along with signs of vasculitis. Clinical features vary; refer to documentation.
When to use this code
Use this code when the provider clearly documents rheumatoid vasculitis and rheumatoid arthritis in the right elbow. It applies to encounters focused on the elbow manifestation, whether the condition is active or being followed.
Do not assign it from a generic rheumatoid arthritis note unless vasculitis and right elbow involvement are specifically stated. Check documentation if laterality or the vasculitic component is unclear.
Do not use for
Do not use this code for rheumatoid arthritis without vasculitis, or for vasculitis not linked to rheumatoid arthritis. Avoid it when the affected elbow is not the right side.
Coding tip
Verify both the rheumatoid vasculitis diagnosis and the right elbow laterality before coding.