Specimen: Blood

Results: 1-3 business days

Description: A rheumatoid factor test measures the amount of rheumatoid factor in your blood. Rheumatoid factors are proteins produced by your immune system that can attack healthy tissue in your body.High levels of rheumatoid factor in the blood are most often associated with autoimmune diseases, such as rheumatoid arthritis and Sjogren's syndrome. 

*Please note: The result turn around time is an estimate only and not guaranteed. The reference lab may need additional time due to conditions with the weather, confirmation or repeat testing, or equipment maintenance and other reasons out of our control.