Doctor insights on:
Significance Of Positive Rheumatoid Factor
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
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 moreSee 1 more doctor answer
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
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
I had a rf test ran it came back rheumatoid factor value <10, standard range <= 14, units ui/ml is that considered negative or positive.
Negative: Hope tha is good newsGet a more detailed answer ›
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
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
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)
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
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
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 moreSee 1 more doctor answer
Crp & ASO titre r positive. Rheumatoid factor 2.3. Esr 91 after 1 hr. Conjugated bilirubin 0.31 & uncon. 0.28. A/G ratio 1.357. Pls suggest?
Not enough info: No one can suggest anything when you provide no symtoms. All these results suggest is an inflammatory process. ...Read more
Can d-dimer elevated 2x uln be only due to low positive rheumatoid factor of 13 ng (vs lab normal range >11) or failed attempts of intravenous cannula placement used for sample ? I am 50, with cfs.
To clarify a prev question, is it possible autoimmune Thyroiditis can cause consistant low positive Rheumatoid Factor, SED Rate, CH50, and CRP?
Positive arthritis-joint inflammation condition but negative rheumatoid factor in blood panel. What is the reason?
Many possibilities: Even in rheumatoid arthritis, 25% of people never make rheumatoid factor. A host of joint diseases, including most juvenile rheumatoid arthritis, lupus, gout, infectious arthritis, parvo b19, chikungunya, lyme disease, hemochromatosis, alkaptonuria, reactive arthritis and psoriatic arthritis usually have no rheumatoid factor. ...Read more
I tested positive for the ANA screen, 1:160 titer, speckled pattern. Rheumatoid factor 21, SED rate 22. Does this indicate Rheumatoid arthritis?
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