RF and CCP: The most important element in diagnosing rheumatoid arthritis (RA) is your history. The duration of your symptoms and pattern of joint involvement are important. Having someone experienced in examining your joints is critical. Although the blood tests (rheumatoid factor and anti-CCP antibodies), can help make a diagnosis, they must be interpreted in the context of your symptoms and exam.
Answered 1/5/2015
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