Liver & digestion

Immune health

Hepatitis B surface antigen (HBsAg)

What it measures

Viral Hepatitis

Clinical significance

The presence of HBsAg indicates that the person is infectious, except when it might be transiently positive within 30 days after a dose of hepatitis B vaccine (HepB). The body normally produces antibodies to HBsAg as part of the normal immune response to infection.

The test results are interpreted as positive, negative, or indeterminate. A result of less than 5 mIU/mL is typically considered negative, while a result of more than 12 mIU/mL suggests protective immunity

Is hepatitis B positive serious?

How serious is chronic (long-term) hepatitis B? Chronic hepatitis B can develop into a serious disease resulting in long-term health problems, including liver damage, liver failure, liver cancer, and even death.

What are the symptoms of HBsAg?

Not all people newly infected with HBV have symptoms, but for those that do, symptoms can include fatigue, poor appetite, stomach pain, nausea, and jaundice. For many people, hepatitis B is a short-term illness. Sometimes, your body can't get rid of the infection. If so, you have chronic (or long-term) hepatitis B. You may have few - or even no - symptoms at all.

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Hepatitis B surface antigen (HBsAg)

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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 · 6 ratings · App Store

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4.5 · 17 ratings · 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 24—nearly a decade younger than my real age.

Anna A. · 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. · 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. · 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. · Google Play

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