Rheumatoid Factor Quantitative
Rheumatoid Factor (RF) is an autoantibody directed against the Fc portion of immunoglobulin G (IgG). Quantitative measurement of Rheumatoid Factor helps assess the likelihood of autoimmune conditions, most notably rheumatoid arthritis (RA). Although RF may be present in other inflammatory or infectious disorders, its detection provides valuable diagnostic information when interpreted alongside clinical findings. The quantitative RF test measures the concentration of this antibody in the bloodstream, offering greater precision than qualitative screening methods.
- Price: £80
- Code: RNP
- TAT: 10 Working Days
- Sample Type: Blood
Clinical Significance
Elevated Rheumatoid Factor levels are commonly associated with rheumatoid arthritis, a chronic autoimmune disease characterised by joint inflammation, pain, stiffness, and progressive joint damage. High RF titres may correlate with more aggressive disease and extra-articular manifestations. However, RF is not specific to rheumatoid arthritis alone. It may also be detected in other autoimmune conditions such as Sjögren’s syndrome, systemic lupus erythematosus, and mixed connective tissue disease. In some cases, mild elevations may occur in chronic infections, liver disease, or even in healthy older individuals. Because of these limitations, RF testing is often performed alongside anti-cyclic citrullinated peptide (anti-CCP) antibodies and inflammatory markers such as ESR and CRP to enhance diagnostic accuracy.
Who Might Benefit From This Test?
This test may be appropriate for individuals experiencing persistent joint pain, swelling, morning stiffness, or unexplained inflammatory symptoms. It may also be requested when autoimmune disease is suspected based on clinical examination or other laboratory findings. Early detection of rheumatoid arthritis allows for timely intervention, which can significantly reduce joint damage and improve long-term outcomes.
Sample Collection
A blood sample is obtained by a qualified healthcare professional. The procedure is straightforward and completed within minutes. Samples are analysed in laboratories to determine quantitative antibody levels.
Understanding Your Results
Results are interpreted alongside symptoms, physical examination findings, and additional laboratory markers. A positive RF result does not confirm rheumatoid arthritis in isolation but contributes to the overall diagnostic picture. High titres may support an autoimmune diagnosis, while negative results do not completely exclude disease. Further rheumatological assessment may be recommended depending on findings.
FAQs
When will I receive my results?
Results are usually available within the stated turnaround time.
Should I discuss my results with a doctor?
Yes, results should always be reviewed with a qualified healthcare professional.
Why Choose Marylebone Diagnostic Centre?
Marylebone Diagnostic Centre provides comprehensive autoimmune and inflammatory marker testing within a professional clinical setting. With a turnaround time of 1–2 days, this test supports prompt evaluation of joint symptoms and autoimmune risk.
Book Now
Book the Rheumatoid Factor Quantitative (RF) test today to support early assessment of inflammatory and autoimmune joint conditions.
