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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 RF test helps identify RA, which is marked by painful and swollen joints. While RF antibodies in the blood can indicate RA, high RF levels are not always indicative of the disease, and some RA patients may not have elevated RF levels. |
| 2 | Assessing Disease Severity : The test provides valuable information about the severity of RA. High RF levels are often associated with more severe disease, with increased joint damage and complications. |
| 3 | Early Detection : The RF test can sometimes detect RA before symptoms develop, facilitating early treatment that might reduce the disease’s severity. |
| 4 | Diagnosing Other Conditions : The RF test is also useful in diagnosing other autoimmune disorders such as Sjögren’s Syndrome (causing dry mouth and eyes), lupus (multi-organ impact), scleroderma (skin and tissue hardening), juvenile idiopathic arthritis (in children), and mixed connective tissue disease (features of multiple autoimmune conditions). It can also aid in diagnosing chronic infections like hepatitis C, tuberculosis, and infective endocarditis. |
| 5 | Guiding Treatment : Although the RF test is not used to monitor treatment response directly, it assists doctors in choosing effective treatments. For instance, patients with high RF levels may have a poorer response to TNF-alpha inhibitors. |
| 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 |