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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 | Early Detection : The RF test may detect RA before symptoms appear, allowing for early treatment that could potentially lessen the disease's impact. |
| 2 | Diagnosing RA : The test helps determine if a person has RA, which is characterised by painful, swollen joints. RF antibodies in the blood can indicate RA, but not everyone with high RF levels has RA, and some RA patients may have normal RF levels. |
| 3 | Assessing Disease Severity : It provides insight into RA severity, with high RF levels often correlating with more severe disease, increased joint damage, and complications. |
| 4 | Guiding Treatment : Although it is not used to monitor treatment efficacy directly, the RF test helps doctors choose effective treatments. For example, patients with high RF levels might not respond as well to TNF-alpha inhibitors. |
| 5 | Diagnosing Other Conditions : The RF test is also useful for diagnosing other autoimmune diseases, including juvenile idiopathic arthritis (in children), lupus (affecting various organs), scleroderma (hardening of skin and tissues), Sjögren’s Syndrome (causing dryness in mouth and eyes), and mixed connective tissue disease (exhibiting features of several autoimmune conditions). It can also aid in diagnosing chronic infections like hepatitis C, tuberculosis, and infective endocarditis. |
| Price | The Rheumatoid Factor (RA) Quantitative Test price is ₹ 700. |
| 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 |