When persistent joint pain strikes, the search for answers often leads to a crucial diagnostic tool: the rheumatoid factor test. This relatively quick blood analysis serves as a window into the immune ...

A rheumatoid factor test measures the amount of rheumatoid factor in your blood. Rheumatoid factors are proteins produced by your immune system that can attack healthy tissue in your body. High levels ...

September 7, 2012 — Elevated rheumatoid factor (RF) levels in healthy patients may be a strong predictor of future rheumatoid arthritis (RA), according to data from a prospective cohort study ...

Is there a possibility of having some type of rheumatoid arthritis (RA), even though it doesn’t show up clearly in the blood work? (My CRP level was 0.3, rheumatoid factor was 10, anti-CCP result was ...

Antibodies to peptides not currently used for rheumatoid arthritis (RA) diagnosis helped identify patients with untreated early disease that conventional biomarkers missed, researchers said. Almost ...

Rheumatoid arthritis is an autoimmune disorder and one of the most common forms of arthritis that causes painful inflammation and tissue damage in the knees, wrists, and other joints. Vectra is a ...

Please provide your email address to receive an email when new articles are posted on . The story of rheumatoid factor could be a 10 minute episode, but in this ...