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Rheumatoid Factor - Quantitative

Also referred as

RA Factor Quant.

For men & women

Earliest reports in

15 hours

Contains

1 test

Know more about this test

Rheumatoid factor (RF) test determines the presence of rheumatoid antibodies in the body. These are the autoantibodies produced by body's own immune system that attack the healthy tissues. Presence of high level of RF antibodies might indicate the presence of serious autoimmune disorders such as rheumatoid arthritis, lupus erythematosus, chronic infections like tuberculosis and leukemia.

Symptoms like joints pain, fatigue, weight loss, fever, weakness, lumps formation may be suggestive of RF antibodies and testing is usually advised in such cases. Some other tests are also recommended in conjunction with RF test to reach a definitive diagnosis.

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Preparation for this test

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What does Rheumatoid Factor - Quantitative measure?

Rheumatoid factor (RF) attacks healthy body tissues as it mistakes them for foreign body tissues. It is not found in healthy persons. The presence of RF means that the body has an autoimmune disease such as Rheumatoid arthritis. Symptoms of Rheumatoid arthritis include stiffness of joints especially in morning, pain in joints, underlying skin nodules, loss of bone and swelling of joints.

FAQs related to Rheumatoid Factor - Quantitative

When does the doctor advise Rheumatoid factor test - Quantitative?

The doctor advises the RF test - Quantitative when signs and symptoms of Rheumatoid arthritis like the stiffness of joints especially in the morning, pain and swelling in joints, underlying skin nodules are noted in the patient. If the X-ray of the patient shows swelling in the joint capsules along with the loss of cartilage and bone, RF test is advised.

What other tests are advised apart from rheumatoid factor test - Quantitative?

Apart from Rheumatoid Factor (RF), Anti CCP Antibody test, Antinuclear antibody test, Complete Blood Count, and X-ray are advised. If a patient has positive Anti CCP antibody test as well as RF test it indicates that the patient has rheumatoid arthritis. If the patient has a positive Anti CCP antibody test but a negative RF test, it means that the patient is likely to develop Rheumatoid arthritis in the future. If Anti CCP antibody test is negative but RF test is positive, it can indicate that the patient should be analyzed for other inflammatory conditions as well.

Is there any risk associated with this test?

There is no risk associated with the test. However, since this test involves a needle prick to withdraw the blood sample, in very rare cases, a patient may experience increased bleeding, hematoma formation (blood collection under the skin), bruising or infection at the site of needle prick.

Is there any special preparation required for the test?

No, there is no special preparation required for the test.

What is Rheumatoid arthritis?

Rheumatoid arthritis is a systemic autoimmune disease which is chronic (from a long time). It causes inflammation, stiffness, pain and disastrous changes in joints of the body. It can occur at any age but the usual age is after 40 years. As compared to men, women are more affected. It can progress slow or fast. But, if untreated can cause disability of the joints.

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