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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 is instrumental in identifying RA, a condition marked by joint pain and swelling. The presence of RF antibodies in the blood can suggest RA, but elevated RF levels alone do not confirm the disease, and some RA patients might not exhibit high RF levels. |
| 2 | Assessing Disease Severity : This test provides valuable information regarding the severity of RA. Elevated RF levels often indicate a more severe form of the condition, associated with greater joint damage and complications. |
| 3 | Early Detection : The RF test can occasionally detect RA before symptoms manifest, enabling early intervention that might mitigate the disease's severity. |
| 4 | Guiding Treatment : While the RF test is not used to track treatment progress, it aids doctors in selecting appropriate treatments. For instance, individuals with high RF levels before starting treatment may have a reduced response to TNF-alpha inhibitors. |
| 5 | Diagnosing Other Conditions : Beyond RA, the RF test is useful for diagnosing other autoimmune disorders such as Sjögren’s Syndrome (characterised by dry mouth and eyes), juvenile idiopathic arthritis (arthritis in children), scleroderma (causing skin and connective tissue hardening), mixed connective tissue disease (showing symptoms of multiple autoimmune disorders), and lupus (which affects multiple organs). It can also help identify chronic infections like tuberculosis (a bacterial lung infection), hepatitis C (a liver infection), and infective endocarditis (an infection of the heart’s lining). |
| Price | The Rheumatoid Factor (RA) Quantitative Test price is ₹ 630. |
| 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 |