Rheumatoid Factor lab test.
Elevated RF is found in collagen vascular diseases such as SLE, rheumatoid arthritis, scleroderma, Sjögren’s Syndrome, and in other conditions such as leprosy, tuberculosis, syphilis, malignancy, thyroid disease and in a significant percentage of otherwise normal elderly patients. This is a non-fasting test that reports in 2-3 business days. Please be advised that our services are strictly self-pay and not eligible for submission as a claim to your health insurance provider, medical bill sharing company, Medicare/Medicaid or other third-party payor. 4418