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Rheumatoid Factor (RA) - Quantitative - Serum

Rheumatoid Factor (RA) - Quantitative Serum test is a blood test commonly used in diagnosing and monitoring rheumatoid arthritis (RA), an autoimmune disease characterized by inflammation in the joints. This test measures the level of rheumatoid factor (RF), an antibody present in the blood of most people with RA.


  • Test NameRheumatoid Factor (RA) - Quantitative - Serum
  • Sample TypeBlood
  • Preparations RequiredNo specific instructions are required for this test. Regular diet and daily activities can be maintained unless your healthcare provider instructs otherwise.
  • Report Time4 hours

The body's immune system normally produces antibodies to attack and neutralize foreign substances like bacteria and viruses. In some people, however, the immune system mistakenly produces antibodies that attack the body's own tissues, leading to autoimmune diseases like RA. The rheumatoid factor is one such antibody, and its presence in the blood can indicate RA or another autoimmune condition.

Home Sample Collection Process

1
Book your convenient slot
Book your convenient slot
2
Sample Collection by Phlebotomist
Sample Collection by Phlebotomist
3
Reporting of the sample at lab
Reporting of the sample at lab
4
Download Reports
Download Reports
Frequently Asked Questions

This test is typically ordered if you have symptoms of RA, such as joint pain, stiffness, and swelling. It may also be used to monitor the progress of the disease and the effectiveness of treatment.

Not necessarily. While a high level of RF is commonly associated with RA, it can also be present in other conditions, including other autoimmune diseases, chronic infections, and even in healthy individuals, particularly older people.

Yes, you can take the test if you're pregnant. However, always discuss any concerns with your healthcare provider.

A high level of RF in your blood could mean that you have RA or another autoimmune condition. Your healthcare provider will interpret your results, considering your symptoms and other test results.

The frequency of testing depends on your individual situation and is determined by your healthcare provider. If you're being treated for RA, regular monitoring may be necessary.

Yes, besides RA, elevated levels of RF can also occur in other autoimmune diseases, such as lupus and Sjögren's syndrome, as well as chronic infections and certain cancers.

As a blood test, this procedure carries very few risks. You might experience slight pain or bruising at the spot where the needle was put in, but most symptoms go away quickly.

Certain medications may affect the level of RF in your blood. Always let your healthcare provider know about any medications you are taking.

No, this test requires a blood sample, which must be drawn by a healthcare professional in a clinical setting.

No, a negative result does not entirely rule out RA. Some people with RA do not have a detectable level of RF in their blood. Therefore, your healthcare provider will consider your symptoms and may order additional tests if needed.

Yes, children can undergo this test. If your child has symptoms of arthritis, your healthcare provider may recommend this test.

Yes, this test can be used to monitor the effectiveness of treatment for rheumatoid arthritis. Changes in the level of RF can indicate how well the treatment is working.

Not necessarily. High levels of RF can also be found in healthy individuals, particularly older people. It's important to interpret the test results in the context of the overall clinical picture.

If your RF test is positive, your healthcare provider may order other tests, such as an anti-CCP antibody test, to help establish a diagnosis of RA or another autoimmune condition.

Age, certain medications, and the presence of other autoimmune diseases can influence the test results. Always inform your healthcare provider about any medications you are taking and any existing health conditions.

RF levels are a reflection of underlying conditions, not a factor you can directly control through lifestyle changes. However, adhering to your prescribed treatment plan for RA or any other autoimmune condition can potentially impact these levels over time.

No, while both tests are used in the diagnosis and monitoring of rheumatoid arthritis, they measure different things. The RF test measures rheumatoid factor, while the anti-CCP test measures antibodies to cyclic citrullinated peptides. Both can be used together to give a more complete picture of the condition.

Not directly. While a higher RF level can indicate more active or severe disease, it’s just one of many factors your doctor will consider when assessing your condition. Symptoms, physical findings, and other lab tests also play a significant role in determining the severity of rheumatoid arthritis.

Yes, there are no specific dietary restrictions before this test. You can eat and drink as you normally would unless your healthcare provider advises otherwise.

This test is performed by taking a blood sample from a vein in your arm. The sample is then sent to a lab, where technicians measure the amount of RF in your serum.

Any side effects are usually minor and related to the blood draw itself, which can cause temporary discomfort, bruising, or swelling at the puncture site.

RHEUMATOID FACTOR (RA), SERUM
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  • 3KM from Madhura Nagar
  • 5KM from Shaikpet