Hepatitis B Surface Antibody (Anti-HBs) Test
Short Name: Anti-HBs Test
Also known as: Anti-HBs Test, HBsAb Test, Hepatitis B Antibody Test
Hepatitis B Surface Antibody (Anti-HBs) Test test available at DNA Labs India for ₹842. Uses CLIA on Serum samples. Results in Reports are delivered daily, with most results within 24 hours of sample collection.. Free home collection in 300+ cities across India.
🩺 Medically Reviewed By
Dr Kothari Ramesh Shantilal
Consultant Microbiologist · Reg: 27670
Last reviewed: September 7, 2026
Overview
The primary purpose of the Hepatitis B Surface Antibody (Anti-HBs) test is to determine if a person has developed immunity to Hepatitis B, either through vaccination or natural infection. It helps in diagnosing past HBV exposure, monitoring vaccine efficacy, and guiding clinical management for liver health.
- Test Code
- 712
- Price
- ₹842
- Sample Type
- Serum
- Result Time
- Reports are delivered daily, with most results within 24 hours of sample collection.
- Fasting Required
- No
- Method
- CLIA
Sample Collection
No special preparation required. Inform your doctor about any medications or recent vaccinations.
Method: Venipuncture
Laboratory Analysis
A blood sample will be drawn from a vein in your arm by a trained phlebotomist. The process is quick and minimally invasive.
Report Delivery
Apply pressure to the puncture site with a cotton ball to prevent bleeding. You may resume normal activities immediately.
Timeline: Reports are delivered daily, with most results within 24 hours of sample collection.
Patient Instructions
About This Test
Who Should Get This Test
The primary purpose of the Hepatitis B Surface Antibody (Anti-HBs) test is to determine if a person has developed immunity to Hepatitis B, either through vaccination or natural infection. It helps in diagnosing past HBV exposure, monitoring vaccine efficacy, and guiding clinical management for liver health.
How to Prepare
- Collect 2 mL (1 mL minimum) of serum from one SST tube
- Ship samples refrigerated or frozen to maintain stability
Doctor's Notes
Reviewed by Dr Kothari Ramesh Shantilal — MBBS, MD (Microbiology) · Reg. No. 27670
"The Anti-HBs test is crucial for assessing immunity to Hepatitis B, either from vaccination or past infection, helping in clinical decision-making and prevention strategies."
Last medically reviewed: September 7, 2026
Test Parameters & Specifications
Sample Stability
- Insufficient sample volume
- Incorrect sample type or container
- Hemolyzed or clotted samples
Understanding Your Results
Anti-HBs >10 mIU/mL
Immunity present, either from vaccination or past infection
Anti-HBs <10 mIU/mL
No detectable immunity; consider vaccination or further evaluation
Borderline results
May require repeat testing or additional clinical correlation
Consult your doctor if you have abnormal results, persistent symptoms of Hepatitis B (e.g., jaundice, fatigue), or if you have been exposed to the virus.
Limitations
- ⚠May not detect very early infections before antibody development
- ⚠Quantitative results may vary between laboratories
- ⚠Not diagnostic for active Hepatitis B infection alone
Risks & Considerations
- ●Minor bruising or pain at the blood draw site
- ●Rare risk of infection or excessive bleeding
Interfering Factors
- ●Hemolyzed or lipemic samples
- ●Recent Hepatitis B vaccination or immunoglobulin therapy
- ●Cross-reactivity with other antibodies
Compare With Similar Tests
| Test | Hepatitis B Surface Antibody (Anti-HBs) Test | HBsAg Test | Anti-HBc Test | Hepatitis B e-Antigen Test | Liver Function Test |
|---|---|---|---|---|---|
| Comparison | Hepatitis B Surface Antibody (Anti-HBs) Test |
Frequently Asked Questions
What is the cost of the Hepatitis B Surface Antibody test at DNA Labs India?
Is fasting required for this test?
How is the sample collected?
What does a positive Anti-HBs result mean?
How long does it take to get results?
Can this test detect an active Hepatitis B infection?
Who should get this test?
Is home collection available for this test?
What is the turnaround time for the test?
Are there any risks associated with the test?
How accurate is the Anti-HBs test?
What should I do if my results are abnormal?
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