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Doctor insights on: Significance Of Positive Rheumatoid Factor

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What does it mean if my rheumatoid factor is positive?

What does it mean if my rheumatoid factor is positive?

See details: The rheumatoid factor is not that specific. The ccp antibody is much more specific for ra. If you have joint pain and swelling, RA is a major, but not the only possibility. ...Read more

Dr. Chokkalingam Siva
166 doctors shared insights

Rheumatoid Factor (Definition)

An "rf" is a blood test used to screen a person for the possibility of several autoimmune diseases, including rheumatoid arthritis. It is important to remember that this is a screening test. A positive result only indicates more testing may be warranted, and a negative result does ...Read more


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What does a mildly positive rheumatoid factor test indicate?

What does a mildly positive rheumatoid factor test indicate?

It depends: A rheumatoid factor (RF) is a non-specific result. It can be positive in Rheumatoid Arthritis and a variety of other conditions. Many have a positive RF and have no disease at all (false positive). What's most important is your symptoms. Certain patterns of joint pain, stiffness and fatigue can be related to rheumatoid arthritis for example. Then the positive RF is significant. ...Read more

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What does a positive rheumatoid factor test result mean?

Auto-immune response: Rheumatoid factor is one of the auto-immune responses, however, it may also develop as a some what normal respose to infection. Any lab test needs to be evaluated in the context of the whole clinical picture and a positive rheumatoid factor, by itself, is not diagnostic of any disease. It supports a diagnosis rheumatoid arthritis and other auto-immune disorders. ...Read more

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Should i be worried if I have a false positive rheumatoid factor?

Probably not: False positive rheumatoid factors are not uncommon. I am a little confused. If it is a false positive, why was it ordered in the first place? ...Read more

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In lupus, can you rheumatoid factor be negative? Or is it positive?

In lupus, can you rheumatoid factor be negative? Or is it positive?

Usually negative: Anti-nuclear antibodies are almost always positive if it's really lupus. These tests are fraught with technical pitfalls, and are never more than adjuncts to a clinical diagnosis. ...Read more

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Could you have a positive rheumatoid factor and a high ANA but not have any illness?

Could you have a positive rheumatoid factor and a high ANA but not have any illness?

Why have tests?: It is possible to have these lab findings and not have a disease, however, why did you have the tests done? If you have some symptoms that prompted the tests then you need be evaluated for possible auto-immune disorder. ...Read more

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I went to get tested to see if I have rheumatoid arthritis and the result came back positive. What does Rheumatoid Factor H12 mean? < 10 kU/L (range)

I went to get tested to see if I have rheumatoid arthritis and the result came back positive. What does Rheumatoid Factor H12 mean?  < 10 kU/L (range)

Slight elevation: This is a slight elevation of your Rheumatoid factor WHICH IS SEEN IN A LOT OF DISORDERS BESIDES heumatoid arthritis! You should see a Rheumatologist for a more complete work-up! Hope this helps Good Luck Dr Z ...Read more

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What is seronegative RA? Is that Positive Rheumatoid Factor and negative Anti CCP?

Seronegative RA: is when the rheumatoid factor is negative, one other common type of these are referred to as seronegative spondyloarthropathies or other seronegative disorders associted with inflammatory disease. there is a wide range ...Read more

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I got a weak positive ANA and negative rheumatoid factor. What does this mean?

They don`t mean much: These tests are within normal limits and don`t mean much. Tests can be negative in the presence of disease and positive in normal people. Diagnoses depend on a competent physician who does a proper history and physical exam and uses tests and x-rays and others to arrive at a diagnosis. Don`t over depend on tests. ...Read more

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Would 176 RA IgM factor be considered a low positive for rheumatoid factor. What would be considered a positive level. My ccp level is normal.

Would 176 RA IgM factor be considered a low positive for rheumatoid factor. What would be considered a positive level. My ccp level is normal.

It is positive: The level is not as important as what is your clinical examination and other findings. The positive rheumatoid factor by itself does not mean you have arthritis. There are other things that you rheumatologist will look forward to help clarify whether the positive rheumatoid factor is due to rheumatoid arthritis or something else. ...Read more

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What does a mildly positive rheumatoid factor test indicate if the doctor thinks you don't have arthritis?

There are nearly 5%: There are nearly 5% of the population with a positive rf, but only 1% has ra. Therefore 80% of rf that are positive are "false positives." most are very low in titer. A higher level of rf positivity is more significant, since level does correlate with higher disease activity in ra. Less common causes for rf positivity include sjogren's syndrome, sarcoid, and others, but these are much less common. ...Read more

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I tested positive for the ANA screen, 1:160 titer, speckled pattern. Rheumatoid factor 21, SED rate 22. Does this indicate Rheumatoid arthritis?

I tested positive for the ANA screen, 1:160 titer, speckled pattern. Rheumatoid factor 21, SED rate 22. Does this indicate Rheumatoid arthritis?

No: The rheumatoid factor was barely above negative. It is usually greater than 150 in RA. The CCP antibody is a much more specific test. The diagnosis of RA depends on several diagnostic criteria. The rheumatoid factor is nonspecific. ...Read more

Dr. Julie Abbott
40 doctors shared insights

Rheumatism (Definition)

"rheumatism" is an older term, not used much today. Most people are referring to pain and swelling in the joints when they use this term. People may mean something different when they use this term in contrast to when they refer ...Read more