Rheumatoid Factor - Qualitative

Test Results & Interpretations

Overview of Rheumatoid Factor - Qualitative

Test Description

Rheumatoid factor is an IgM antibody produced by the body's immune system. The rheumatoid factor test is a valuable test for helping to diagnose Rheumatoid arthritis. About 80% people with RA will have positive rheumatoid factor. Although, rheumatoid factor is positive in other autoimmune disorders also like SLE, Sjogren syndrome etc.

Why Get Tested

  1. It is ordered when you have signs or symptoms of rheumatoid arthritis like pain or swelling in the joints and morning stiffness
  2. It is also used to differentiate Rheumatoid arthritis from other forms of arthritis


  • No special preparation required

What Results of Rheumatoid Factor - Qualitative mean?


  • The readings are usually read in conjunction with person’s symptoms and clinical history. The presence of significant concentrations of rheumatoid factor usually indicates rheumatoid arthritis
  • However, positive RF test may be seen in SLE, scleroderma, endocarditis, tuberculosis etc. 
  • A negative test usually rules out rheumatoid arthritis

Provided By



For over a hundred years, human pathology has been one of the keystones of medicine and rightly so at SRL, we offer our patients world-class Pathology services because their well-being is of the utmost importance to us. Pathology is quite simply the scientific study of the overall response of your body to any foreign influence, i.e., disease. Actually, we use this knowledge to diagnose & subsequently treat your ailment. What we basically do is carefully compare the normal structure and function of a human body (anatomy and physiology) to the abnormal structure and function we witness in an unwell human. Doing this is the most crucial phase & we take note of even the minutest details while adjudging the extent of your ailment because one slip can lead to an incorrect diagnosis, posing serious threat to your health. Our experts ensure that they are extremely careful while analyzing the samples. This is where our advanced technology chips in. SRL is proud to host state-of-the-art equipments based on the latest technology for a speedy and accurate result. We do not take any chances whatsoever with your health & well-being. Avail our Pathology services with no hesitation. You are always in good hands with SRL.

Available at Other Labs