What you have to prove
Meet via: (1) persistent inflammation or persistent deformity of one or more major peripheral weight-bearing joints resulting in inability to ambulate effectively, OR (2) inflammation/deformity of one or more peripheral joints in each upper extremity resulting in inability to perform fine/gross movements, OR (3) involvement of two or more organs/body systems.
Medical evidence SSA expects
Rheumatologist records, RF, anti-CCP, ESR, CRP, imaging of affected joints, DMARD and biologic treatment history.
Common misconceptions
Patients well-controlled on biologics (Humira, Enbrel, etc.) often don't meet listings. Cases with erosive damage on imaging or failure of multiple DMARDs qualify more easily.