Detects hepatitis B e-antigen (HBeAg), a marker of active virus multiplication.
In people with hepatitis B, a positive HBeAg indicates high viral activity and greater infectiousness; it helps decide on and monitor treatment.
Jaundice, nausea, abdominal pain or swelling, alcohol use, fatty liver, hepatitis risk, or people on long-term medicines.
No fasting needed.
This article is for general information and education only. It is not medical advice, does not create a doctor–patient relationship, and is not a substitute for consultation with a qualified doctor who has assessed your individual situation. Never delay seeking medical advice because of something you have read here.
In a medical emergency, call 112, or 108 for an ambulance where that service operates, or go to your nearest emergency department. If you are in mental health distress, Tele-MANAS is free and available 24×7 on 14416.
Read our Editorial Policy and Medical Review Process.
Yes. HBeAg-positive mothers have a higher risk of passing hepatitis B to the baby, so special preventive steps are taken.
No fasting is needed. You can eat and drink normally unless your doctor has advised otherwise.
Usually a blood sample; for some infections a swab, CSF, urine or other sample is used — as advised by your doctor.
Usually within 31–55 hours after the sample reaches the lab. You will receive the report online.