33+ What Is The Normal Range For Rheumatoid Factor? Background

But the rf antibody can attach to normal body tissue.

33+ What Is The Normal Range For Rheumatoid Factor? Background. Elevated test results, or high levels, indicate the normal range (or negative test result) for rheumatoid factor is less than 14 iu/ml. Rheumatoid factor normal range iu/ml.

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They are sometimes called normal values. Rheumatoid factors can be detectable in several different systemic autoimmune conditions and in sensitivity ranges from 60 to 80% for ra whereas the specificity was reported to be from 80 to 95%. What is normal rheumatoid factor range?

Some people with other diseases that affect the immune system can also have these antibodies.

Book rheumatoid arthritis factor at home with portea. A low level of rf lets more light through. A rheumatoid factor (rf) blood test measures the amount of the rf antibody present in the blood. Getting a positive test result means that the levels of rheumatoid factor found in your blood are higher than the normal rheumatoid factor range.