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When reading lab results for Rheumatoid factor -5.0?
A rheumatoid factor over 23 units and a titer over 1:80 indicates rheumatoid arthritis, However this may also occur in other conditions.False positive results can occur when the blood is high in fats.A negative test result for rheumatoid factor does not exclude the diagnosis of rheumatoid arthritis.
If your Rheumatoid factor is lower than the previous blood test what does this mean?
This is not known as the cause of it is unknown as well as the relationship between RF and the activity of the disease.
Is rheumatoid factor a sensitive test?
Just for some context, patients with suspected rheumatoid arthritis or other rheumatological disease are commonly screened with a rheumatoid factor (RF) test within a hospital. To answer your question, a very recent meta-analysis of the RF test (see related link) found that it was about 69% sensitive and 85% specific.The RF test is sensitive however it is nonspecific. Rheumatoid factor is usually associated with rheumatoid arthritis (RA) but may also be involved in a number of autoimmune diseases, including Sjögrens syndrome,i some and viral infections, and is also found in a small percentage of healthy people.
Can you have a positive rheumatoid arthritis test and not be symptomatic?
Yes There is no specific test that will indicate that you have Rheumatoid arthritis (RA). When there is a suspicion that you may suffer from this disease one of the tests done is a test for Rheumatoid factor(RF). About 90% of people that have RA also have an elevated RF. However having a positive or elevated RF does not necessarily mean you are at present suffering from RA.
What are synonyms of seropositive arthritis?
Seropositive Rheumatoid arthritis is RA in a person that has rheumatoid factor in the blood. As opposed to seronegative RA where there is no RF.Rheumatoid arthritis is an autoimmune disease that exhibits itself in a certain way when it is suspected that one has RA ones blood is tested for Rheumatoid factor (a particular antibody) if it is found to be elevated then one is said to have seropositive RA.
