Product detailed description
The RF (rheumatoid factor) test is a blood test that measures the level of rheumatoid factor, an antibody produced by the immune system. Elevated RF levels can be a sign of autoimmune diseases, particularly rheumatoid arthritis, but may also be associated with other conditions such as infections or other autoimmune disorders. The RF test is often used to diagnose rheumatoid arthritis and to distinguish it from other causes of inflammatory joint diseases.
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