The Rheumatoid Factor (RA) Test measures the level of rheumatoid factor, an antibody produced by the immune system, in the blood. Elevated levels of rheumatoid factor may indicate rheumatoid arthritis or other autoimmune conditions. RA factor antibodies can mistakenly attack healthy tissues, leading to joint pain, inflammation, and other symptoms associated with autoimmune diseases. This test is a crucial tool for healthcare providers to diagnose rheumatoid arthritis, evaluate disease severity, and monitor treatment effectiveness.

High rheumatoid factor levels may suggest rheumatoid arthritis or other autoimmune diseases, such as Sjogren's syndrome or lupus. If left untreated, high RA factor levels can lead to joint damage, physical deformities, and complications involving the heart and blood vessels. Regular testing and monitoring are recommended for individuals experiencing joint pain, fatigue, and other symptoms associated with rheumatoid arthritis. A healthcare provider should interpret RA test results to determine appropriate treatment or further testing.

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