Anti-CCP antibodies testing is the gold standard test for the diagnosis of rheumatoid arthritis. It has the specificity of about 81-100%, with the sensitivity of 39–94%.
Rheumatoid arthritis diagnostic study of choice
Psoriatic arthritis diagnostic study of choice
Polymyalgia rheumatica diagnostic study of choice
Psoriatic arthritis other diagnostic studies
Septic arthritis other diagnostic studies
Mixed connective tissue disease diagnostic study of choice
Rheumatoid arthritis echocardiography and ultrasound
Rheumatoid arthritis other imaging findings