Hepatitis B Surface Antigen Blood Test

3 Biomarkers (View)

A blood test to not only check for a hepatitis B infection but to differentiate between immunity due to a previous infection or a vaccination.

Take control of your health with our best-selling checks. Whether you’re tackling symptoms, addressing health concerns, or simply being proactive, this test helps you gain insights and reduce your risk of common conditions.

Discover the power of small lifestyle changes to feel like yourself again.

Results in 3-5 days

Bespoke medical report

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Free delivery

£52.00

Biomarker Table

Infection

Hepatitis B surface antigen

The hepatitis B surface antigen (HBsAg) is a protein on the surface of the hepatitis B virus, present in the blood during a hepatitis B virus infection. Checking for this surface antigen helps to identify acute and chronic HBV infections. Positive surface antigen meaning the virus is present and that the individual is infectious.