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STD Serology

Anti-HBs (Hepatitis B Immunity)

An Anti-HBs test is part of a comprehensive health screening that confirms your immunity to hepatitis B. Whether from vaccination or past exposure, knowing your antibody status gives you a complete picture of your immune protection as part of preventive care.

Doctor's Assessment Included

Reference Ranges

See the value that applies to you:

Choose male or female — this range differs by sex.

Enter your age — this range changes with age.

This range also depends on context such as cycle phase or sample material; the highlighted rows apply to your group.

Male Your group
iu/l
Low > 10 Normal
Female Your group
iu/l
Low > 10 Normal

Reference ranges may vary between laboratories. When you order a test, a BIG-registered doctor assesses your personal results in context. For treatment decisions, discuss your results with your GP.

Check your own value

Anti-HBs (Hepatitis B Immunity): what this test measures

This test detects the presence of antibodies directed against the hepatitis B surface antigen (HBsAg). These protective antibodies are produced by the immune system following vaccination or recovery from a hepatitis B infection. The test provides a qualitative result indicating whether sufficient antibodies are present for immunity.

Anti-HBs (Hepatitis B Immunity): why this value matters

Hepatitis B can lead to chronic liver disease if not managed appropriately. Verifying your Anti-HBs status helps confirm whether you are protected against the virus. This is important for healthcare workers, individuals with potential exposure, and anyone wanting to confirm their vaccination response. Consult a healthcare professional for interpretation.

Anti-HBs (Hepatitis B Immunity): when is testing worthwhile?

Testing may be recommended after completing a hepatitis B vaccination series to verify immunity, for healthcare workers and others at occupational risk, or if you have been exposed to someone with hepatitis B. Consult a healthcare professional for guidance.

Anti-HBs (Hepatitis B Immunity): lifestyle and this value

Ensure your hepatitis B vaccination is up to date. Practise safe hygiene when handling blood or bodily fluids. If you are a healthcare worker or at increased risk, discuss regular antibody monitoring with your healthcare provider. Avoid sharing personal items such as razors or toothbrushes.

Anti-HBs (Hepatitis B Immunity): frequently asked questions

What does it mean if my Anti-HBs test is negative?
A negative result may indicate that you are not immune to hepatitis B. This could mean you have not been vaccinated, or that your vaccination did not produce a sufficient immune response. Your healthcare professional may recommend vaccination or a booster dose.
How long does hepatitis B vaccine immunity last?
For most people, the hepatitis B vaccine provides long-lasting protection, often for decades or even a lifetime. However, in some individuals, antibody levels may decrease over time. Regular testing can help monitor your immunity status. Consult your healthcare provider for personalised advice.

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Anti-HBs (Hepatitis B Immunity)

€39,-