Liver & digestion

Immune health

Anti-HBs, Hepatitis B surface antibody

What it measures

Viral Hepatitis

Clinical significance

Anti-HBs (Hepatitis B surface antibody) is a blood protein that shows you have protection against the hepatitis B virus. Your body can develop these antibodies in two ways: after recovering from a natural hepatitis B infection, or after successful vaccination against the virus. In either case, the presence of anti-HBs signals that you are protected from future hepatitis B infection.

πŸ” What levels are considered normal?

  • Positive (Reactive): Level is above 10 mIU/mL or greater is generally considered protective. This test cannot distinguish between vaccine-induced immunity and immunity from past infection. To make that distinction, testing for hepatitis B core antibody (anti-HBc) is needed.
  • Negative (Non-reactive): Level is below 10 mIU/mL, meaning you have no proven immunity and may need a vaccine.
  • Inconclusive: Levels between 5 and 12 mIU/mL mean the test should be done again.

Why the Test Is Done?

  • To check if your hepatitis B vaccine worked.
  • To see if you healed from an old infection.
  • To screen health workers, babies of infected mothers, or patients needing special treatments.

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What our users say

Real ratings and reviews from the Healsens app on the App Store and Google Play.

5.0 Β· 6 ratings Β· App Store

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4.5 Β· 17 ratings Β· Google Play

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My journey back to health with Healsens. Thank you!!

That's when I turned to a nutritionist and ordered a blood test through Healsens. … Four months later, I retested. My biological age dropped to 24β€”nearly a decade younger than my real age.

Anna A. Β· App Store

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Useful app to track analytics and 2nd opinion

It helps me track main parameters, understanding what do they mean and correlations, and make critical analysis to make preventative changes. Hope too see new fichas soon!

Alexey_E. Β· App Store

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Everything is great! Excellent app! It's very convenient for storing all your test results! The only thing I wish was that you could record blood pressure readings for both arms, as this is sometimes important for blood pressure monitoring.

Veronica K. Β· Google Play

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A useful app. It motivates me to lead a healthy lifestyle and monitor my diet. After the test results, I decided to change my diet – I cut out flour and chocolate. I lost 2 kg in about a week. We'll see how the test results look over time.

Arthur A. Β· Google Play

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