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What it measures
The Rheumatoid Factor (RA Factor) test measures the level of RA factor, an antibody present in most people with rheumatoid arthritis. It helps in diagnosing rheumatoid arthritis and distinguishing it from other forms of arthritis.





| 1 | Diagnosing RA : The test is used to diagnose RA, a condition characterised by joint pain and swelling. The presence of RF antibodies in the blood can suggest RA, but elevated RF levels are not exclusive to RA, and some RA patients may not have high RF levels. |
| 2 | Early Detection : It can sometimes detect RA before symptoms emerge, allowing for earlier treatment that could help minimise the disease’s impact. |
| 3 | Assessing Disease Severity : The RF test helps gauge the severity of RA. Elevated RF levels are often associated with a more severe disease, leading to greater joint damage and other complications. |
| 4 | Guiding Treatment : While the RF test is not used to monitor treatment progress, it helps doctors in selecting the most effective treatments. For example, patients with high RF levels might respond less effectively to TNF-alpha inhibitors. |
| 5 | Diagnosing Other Conditions : Beyond RA, the RF test is useful for diagnosing other autoimmune diseases such as Sjögren’s Syndrome (which causes dryness in the mouth and eyes), juvenile idiopathic arthritis (arthritis in children), lupus (affecting multiple organs), scleroderma (hardening of skin and connective tissues), and mixed connective tissue disease (showing symptoms of several autoimmune disorders). It is also beneficial in diagnosing chronic infections like hepatitis C, infective endocarditis, and tuberculosis. |
| Price | The Rheumatoid Factor (RA) Quantitative Test price is ₹ 560. |
| Also Known As | Rheumatoid arthritis, Rheumatoid Factor (RA test), Autoimmune Test. |
| Purpose | To measure rheumatoid factor autoantibody levels in blood. |
| Pre-test Information | Fasting is not required for a Rheumatoid Factor (RA) Quantitative Test. |
| Report Delivery | Get reports as soon as they are ready. |
| Frequency | As prescribed by your doctor. |
| Home Testing | Yes, home blood sample collection in 60 minutes from booking. |
| Sample Required | A blood sample is required for a Rheumatoid Factor (RA) Quantitative Test |