Ulta Lab Tests

Hepatitis Be Antigen Test

The Hepatitis Be Antigen (HBeAg) Test is a qualitative blood test that detects the presence of hepatitis B e antigen and reports results as Reactive or Non-Reactive. A reactive result suggests active viral replication and high infectivity, while a non-reactive result indicates no HBeAg detected. Doctors use this test to evaluate hepatitis B disease stage, monitor treatment effectiveness, and assess risk of transmission, supporting long-term infection management.

Serum
Phlebotomist
There are no preparation instructions.

The following is a list of what is included in the item above. Click the test(s) below to view what biomarkers are measured along with an explanation of what the biomarker is measuring.

Specimen Type: Serum

Also known as: HBe Antigen

Hepatitis Be Antigen

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The Hepatitis Be Antigen Test test contains 1 test with 1 biomarker .

Hepatitis B e-antigen (HBeAG) - Detects protein produced and released into the blood. Often used as a marker of ability to spread the virus to other people (infectivity); it may also be used to monitor the effectiveness of treatment. However, there are some types (strains) of HBV that do not make e-antigen; these are especially common in the Middle East and Asia. In areas where these strains of HBV are common, testing for HBeAg is not very useful to determine whether the virus can be spread to others.

 

 

Clinical Significance

HBeAg indicates active HBV replication. Infectivity is evaluated based on HBeAg and HBsAg. When HBeAg persists much longer than 10 weeks, the patient is likely to develop chronic hepatitis and be a carrier.

Alternative Name(s)

HBe Antigen

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