Hepatitis B Surface Antibodies (HBsAb) Test

Hepatitis B Surface Antibodies (HBsAb) Test

Category
Liver
Sample
Usually a blood sample; for some infections a swab, CSF, urine or other sample is used — as advised by your doctor
Reports () Terms & Conditions Report time varies with time of sample collection.
In 3 days
Fasting
No Fasting
Age
5+ Years

What Is This Test?

Measures antibodies against hepatitis B surface antigen (anti-HBs), which indicate immunity.

Why this test is performed?

Checks whether you are protected against hepatitis B after vaccination or past infection. A level of 10 mIU/mL or more is generally considered protective.

Who should take this test?

Jaundice, nausea, abdominal pain or swelling, alcohol use, fatty liver, hepatitis risk, or people on long-term medicines.

Test Preparation

No fasting needed.

Medical disclaimer · for information only, not medical advice

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.

Frequently asked questions

Yes. It is recommended 1–2 months after completing hepatitis B vaccination to confirm protection.

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 29–53 hours after the sample reaches the lab. You will receive the report online.

Back to All Lab Tests
0
0 Tests Selected
₹0.00
Book Now