Biomarker Encyclopedia · autoimmune & rheumatology · Sutton Coldfield

Rheumatoid Factor

Also known as: RF

Rheumatoid factor is an antibody that can be present in the blood and is measured within rheumatology assessment. At The Vesey Private Hospital in Sutton Coldfield, Rheumatoid Factor is available within 6 private blood test panels, with clinician-reviewed results. This page is educational and does not replace personalised medical advice.

What Rheumatoid Factor measures

Rheumatoid factor is an antibody that can be present in the blood and is measured within rheumatology assessment. Its presence is interpreted alongside symptoms and other tests.

Why it is tested

Rheumatoid factor is measured as part of joint- and rheumatology-focused assessment. It appears in rheumatology panels.

Tests that include Rheumatoid Factor at The Vesey

Guide prices are read from the current Vesey catalogue and confirmed at booking.

Muscle and Joint Health

Guide price from £146

Rheumatology

Guide price from £158

Muscle and Rheumatology

Guide price from £189

Rheumatology Extended

Guide price from £218

Advanced GP3 (Female)

Guide price from £324

Advanced GP3 (Male)

Guide price from £324

Related biomarkers

Other markers in the autoimmune & rheumatology group:

Frequently asked questions

What is rheumatoid factor?

It is an antibody that can be detected in the blood and is interpreted together with the clinical picture and other markers. It is not diagnostic on its own.

Reviewed by Dr Greg Spencer · General Practitioner · Last reviewed 2026-07-07

This page is for general education and information only. It is not medical advice, a diagnosis, or a recommendation for any specific test or treatment, and it does not include reference ranges, which are laboratory-dependent and interpreted by a clinician. Guide prices are indicative and confirmed at the time of booking. Always discuss your health and any test results with a qualified clinician. In an emergency call 999; for urgent non-emergency advice call NHS 111.

Private blood testing in Sutton Coldfield

Clinician-reviewed results. No GP referral needed.

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