What Is the Rheumatoid Factor Test? A rheumatoid factor test, or RF test, is a blood test to look for rheumatoid factors in your blood. High levels of rheumatoid factor can show up in people with ...
Hosted on MSN
Rheumatoid factor (RF) test and what it means
A rheumatoid factor test checks for an antibody that can be a marker for rheumatoid arthritis. It is one part of diagnosis. Not everyone with a positive rheumatoid factor blood test has rheumatoid ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results