Rheumatoid Factor
Elevated RF is found in collagen vascular diseases such as SLE, rheumatoid arthritis, scleroderma, Sjogren's syndrome, and in other conditions such as leprosy, tuberculosis, syphilis, malignancy, thyroid disease and in a significant percentage of otherwise normal elderly patients.
$59.00Price for members $29.50
Preparation: Please do not exercise prior to testing. It is best that your blood is taken in a rested state.