This test looks for a specific protein found on the surface of the Hepatitis B virus. Finding this protein means you currently have a Hepatitis B infection. It helps your doctor understand if you are infected and guides treatment.
When is it needed?
Suspected Hepatitis B infectionJaundiceFatigueAbdominal painBefore starting certain medications
How to prepare
No special preparation needed.
More about this test
This test looks for a specific protein found on the surface of the Hepatitis B virus. Finding this protein means you currently have a Hepatitis B infection. It helps your doctor understand if you are infected and guides treatment.
Medically reviewed by: Locatemycentre editorial team. Informational only; not medical advice. Always consult a licensed physician for diagnosis or treatment.
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Hepatitis B Surface Antigen (HBsAg): frequently asked questions
What is a Hepatitis B Surface Antigen (HBsAg)?
This test looks for a specific protein found on the surface of the Hepatitis B virus. Finding this protein means you currently have a Hepatitis B infection. It helps your doctor understand if you are infected and guides treatment.
How should I prepare for a Hepatitis B Surface Antigen (HBsAg)?
No special preparation needed.
How much does a Hepatitis B Surface Antigen (HBsAg) cost in India?
Prices for Hepatitis B Surface Antigen (HBsAg) vary widely by city, lab, and accreditation. As a rule of thumb, NABL-accredited labs in metros are more expensive than standalone neighbourhood labs. Use Locatemycentre to compare verified centres near you.
Can I get a Hepatitis B Surface Antigen (HBsAg) with home sample collection?
Yes. Almost every NABL-accredited diagnostic centre in metros like Bangalore, Delhi, Mumbai, Chennai and Hyderabad offers home sample collection for Hepatitis B Surface Antigen (HBsAg). Book the night before, especially for any fasting tests, and confirm the visit fee (typically ₹100-₹250).
How long do Hepatitis B Surface Antigen (HBsAg) results take?
Most routine Hepatitis B Surface Antigen (HBsAg) reports are ready within 6-24 hours of sample collection. Specialised assays and tests sent to a parent lab may take 2-7 days. Confirm the exact turnaround with the centre before booking - it matters if you have a follow-up consult scheduled.
How will I receive the report?
Reports are emailed as a PDF and are usually downloadable from the centre's patient portal using your registration ID. Hard-copy collection at the counter is usually free; courier delivery is optional. Save the digital copy - your physician will want to see it alongside any prior reports.
Do I need a doctor's prescription for a Hepatitis B Surface Antigen (HBsAg)?
For most routine versions of Hepatitis B Surface Antigen (HBsAg) you can walk in without a prescription. Some advanced or restricted tests require a referral by law, and a physician's involvement is always recommended so the result is interpreted against your symptoms and history.
When should I repeat a Hepatitis B Surface Antigen (HBsAg)?
Repeat timing depends on the clinical reason for the test. For monitoring a known condition, your physician will set the interval (often every 3-6 months). For a screening test that came back normal, repeat as part of your annual health check unless your doctor advises otherwise.