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Also Known As Rheumatoid arthritis, Rheumatoid Factor (RA test), Autoimmune Test
₹600
1K people booked this test
Rheumatoid Factor Autoantibody levels in blood
Some autoimmune conditions and chronic infections
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The Rheumatoid Factor test is a blood test to detect rheumatoid factor antibodies in the bloodstream. These antibodies are typically produced by the immune system to defend against infections. However, in some cases, they can mistakenly attack healthy tissues, leading to autoimmune disorders. The RF antibodies usually target the synovium, a soft tissue lining inside joints, causing inflammation. Over time, this leads to joint damage and pain, which are characteristic symptoms of rheumatoid arthritis.
Rheumatoid factor (RF) is one of the many antibodies associated with autoimmune disorders and is typically associated with rheumatoid arthritis (RA). About 80% of patients with RA test positive for RF antibodies. However, it is important to note that a positive RF test alone does not confirm RA. Elevated RF levels may also indicate other autoimmune diseases like Sjogren’s syndrome and chronic infections. Some individuals without any such conditions may also have elevated RF levels, and additional tests are often required for a conclusive diagnosis.
The RA Factor test is an essential diagnostic tool for healthcare professionals, helping them identify autoimmune conditions early.
The RA factor test primarily measures one key parameter: the level of rheumatoid factor antibodies in the blood.
RF is a special antibody that is not usually found in the blood unless there is an infection or some other type of immune response, in which these antibodies help the body fight off harmful pathogens. However, in persons with RA and other autoimmune diseases, the antibodies behave differently as they become more focused on attacking the body’s own tissues. The immune system becomes stuck in a loop, creating more of the antibodies, which worsens the condition. High levels of these antibodies can indicate RA or other autoimmune conditions and help doctors understand the severity of the disease.
Here are some important considerations to keep in mind when preparing for the RA Factor Test in Bangalore:
Prerequisites
You do not have to fast before undergoing the RF test.
Best Time to Get Tested
This test can be scheduled at any time of day.
Who Should Get This Test
This test is usually recommended for individuals who experience symptoms like joint pain and stiffness and are suspected to have autoimmune disorders like rheumatoid arthritis or Sjögren’s syndrome.
Cautions Before Taking This Test
No specific preparations are usually needed before the RA Factor Test. However, you should consult your doctor before undergoing the test to ensure it’s appropriate for your situation.
The RA Factor test is useful in diagnosing and managing various health conditions, as follows:
Diagnosing Rheumatoid Arthritis (RA) : The RF test helps determine if someone has RA, a condition characterised by painful and swollen joints. The presence of RF antibodies in the blood can indicate RA. However, not everyone with high RF levels has RA, and some people with RA may not have high RF levels.
Assessing Disease Severity : The RF test provides insight into the severity of RA. High levels of RF often suggest a severe condition, with more joint damage and other complications.
Early Detection : The RF test can sometimes detect RA before symptoms appear. Early detection allows for quicker treatment, which may help reduce the severity of the disease.
Guiding Treatment : Although the RF test alone is not used to monitor treatment progress, it can assist doctors in choosing the most effective treatments. For example, individuals with high RF levels before treatment may respond poorly to TNF-alpha inhibitors.
Diagnosing Other Conditions : The RF test is also useful for identifying other autoimmune diseases, such as Sjögren’s Syndrome (which causes dry mouth and eyes), juvenile idiopathic arthritis (arthritis in children), lupus (which affects multiple organs), scleroderma (which hardens the skin and connective tissues), and mixed connective tissue disease (which shows symptoms of several autoimmune disorders). Additionally, it can help diagnose chronic infections like hepatitis C (a liver infection), tuberculosis (a bacterial infection affecting the lungs), and infective endocarditis (an infection of the heart’s lining).
Overall, the Rheumatoid Factor test is an important tool for diagnosing RA, assessing its severity, and guiding treatment, and it can also aid in diagnosing other autoimmune diseases and chronic infections.
RF is measured in International units per millilitre (IU/mL) of blood.
Normal Result: If your RF test result is less than 14 IU/mL, it indicates that your RF levels are within a healthy range.
Positive Result: A positive RF result means your RF levels are higher than normal. This does not automatically mean you have rheumatoid arthritis (RA) or another condition but indicates the need for further investigation. High RF might be caused by:
Autoimmune Diseases: Elevated RF levels can be associated with autoimmune diseases, such as RA.
Chronic Infections and Inflammatory Conditions: High RF levels can also occur in chronic infections and other systemic inflammatory conditions.
Age Factor: Healthy individuals over 65 years of age might also have slightly elevated RF levels.
If you have high RF levels, your doctor may require further tests and a diagnosis will be made based on your test results, past medical history, and symptoms.
Find the Test : Search for the RA Factor test near me.
Review and Verify : Select the RF test, review any prerequisites, enter your location, and complete the booking by choosing a convenient time for sample collection.
Sample Collection : A trained eMedic will visit your home to collect the sample at the scheduled time.
Lab Processing : The blood sample collected will be sent to our ICMR-approved and NABL-accredited labs for analysis.
Receive Results : The reports of your RA Factor test at home will be delivered via email or WhatsApp within 12 hours and can also be accessed through our app.
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