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HBsAg is not detected in your blood, confirming no active Hepatitis B infection.
The Hepatitis B surface antigen is absent in your blood, meaning you do not have an active Hepatitis B infection.
Good result. Check if you're immune through vaccination (check Hep B surface antibody).
HBsAg: Non-reactive — no active Hep B infectionNo HBsAg detected. You don't have an active Hepatitis B infection.
No action needed. Ensure you are vaccinated against Hep B if you haven't been.
HBsAg: Non-reactiveYour Hepatitis B surface antigen test is negative. No active infection is present.
Confirm vaccination status for long-term protection.
HBsAg: Non-reactive (very low signal)HBsAg is not detected in your blood, confirming no active Hepatitis B infection.
Good result. Make sure you have Hep B immunity.
HBsAg: Non-reactive — negativeNo Hepatitis B surface antigen found. This is the best possible result for this test.
Excellent. Ensure you're also protected through vaccination.
HBsAg: Non-reactiveAn indeterminate HBsAg result requires repeat testing. It can occasionally occur with some medications, autoimmune conditions, or very low viral levels.
See your doctor for repeat testing in 2–4 weeks.
HBsAg: Indeterminate — repeat testing neededA positive HBsAg means Hepatitis B virus is present and active in your blood. This can be acute (recent infection) or chronic (lasting more than 6 months). Chronic Hepatitis B can lead to cirrhosis and liver cancer without treatment.
See a gastroenterologist or hepatologist. Blood tests to assess liver function and viral load are needed. Treatment options exist that can prevent liver damage.
HBsAg: Reactive — active Hepatitis B infectionChronic Hepatitis B means the virus has been in your liver for more than 6 months. Over years, this can cause liver scarring (cirrhosis) and increases your risk of liver cancer. Modern antiviral treatments effectively suppress the virus and prevent complications.
Establish care with a hepatologist immediately. Antiviral therapy (tenofovir or entecavir) can protect your liver long-term. Regular liver function tests and ultrasounds are essential.
HBsAg: Reactive — confirmed chronic Hep BUpload your lab report and get your actual values interpreted in plain English — instantly, with no medical training required.