HEPATITIS B ENVELOPE ANTIGEN; HBEAG

What this test checks

Detects hepatitis B 'e' antigen — indicates the virus is actively replicating and is more infectious.

Why do people get this test?

Used to assess infectivity and need for treatment in chronic hepatitis B.

When you should consider this test

• Chronic hepatitis B evaluation
• Treatment decision-making
• Pregnancy with hepatitis B

How to prepare

No fasting needed.