Gender for
Male, Female
Report Time
8 Hours
Sample Type
EDTA Whole Blood
Your blood carries more information than you might expect. One thing doctors check for is the Hepatitis B surface antigen, also called the Australia antigen. This test tells your doctor whether a Hepatitis B infection is currently present in your body. It is usually one of the first signs that shows up in the blood, often weeks before you feel any symptoms.
If your doctor has ordered this test, here is what you should know.
The Australia antigen is another name for the Hepatitis B surface antigen (HBsAg). The name comes from the 1960s, when this antigen was first found in the blood of an Australian Aboriginal person.
The test checks whether this antigen is present in your blood. If it is, the Hepatitis B virus is active in your body. A positive result does not mean you will have the infection for life. Some people clear the virus within a few months. Others develop a long-term condition that needs regular monitoring and treatment.
This is a simple blood test. A small sample is taken from a vein in your arm. The lab looks for the antigen directly in the sample, which makes the result accurate and reliable.
Doctors order this test for several reasons.
1. You have symptoms. If your skin or eyes look yellow, your urine is dark, or you feel unusually tired, your doctor will order this test right away.
2. Before a medical procedure If you are having surgery, dialysis, or a blood transfusion, this test is done first. It keeps you and the medical team safe.
3. During pregnancy Every pregnant woman is tested for hepatitis B. The virus can pass from mother to baby during delivery.
4. You are at higher risk Some people are tested regularly even without symptoms, healthcare workers, people with multiple sexual partners, and anyone who has shared needles.
If you have already had a hepatitis B vaccine, this test can confirm whether your body developed protection or needs a booster.
Hepatitis B does not always cause obvious symptoms early on. But when symptoms do appear, they usually include:
1. Yellowing of the skin and eyes This is called jaundice. The whites of your eyes may also turn yellow.
2. Unusual tiredness You feel exhausted for no clear reason, and it does not go away for weeks.
3. Pain in the upper right abdomen A dull ache or discomfort on the right side of your stomach, just below the ribs.
4. Nausea and loss of appetite You may feel sick, vomit, or simply lose interest in food.
5. Dark urine Your urine may look dark yellow or brown, even when you are drinking enough water.
If you have any of these symptoms, speak to your doctor. The Australia antigen test is usually one of the first tests they will order.
A positive result means the hepatitis B surface antigen was found in your blood. This tells your doctor that the virus is currently active in your body.
However, it does not tell the full story on its own.
Your doctor will not be able to tell right away whether the infection is new or long-standing. To understand this better, they will order a few more tests alongside this one.
Tests your doctor may order next:
1. Liver Function Test This checks how well your liver is working and whether it has been affected.
2. hsCRP This looks at inflammation levels in your body.
These results together give your doctor a clearer picture of your condition and help them decide the right next step for you.
A negative result means the antigen was not found in your blood. This is the normal outcome.
It means one of two things:
The normal result for this test is non-reactive (negative).
If your result comes back reactive (positive), your doctor will ask for more tests. A positive result always needs a proper follow-up before any conclusion is made.
Yes. In many cases, the body clears the virus on its own within six months. This is called an acute infection, and it often resolves without any medication.
For long-term infection, antiviral medicines help slow the virus down and reduce damage to the liver.
Is Hepatitis B 100% curable?
Not always.
The good news is that early detection makes a big difference. The sooner the infection is found, the better the chances of managing it before serious liver damage occurs. The Australia antigen test is one of the earliest ways to catch it.
Hepatitis means inflammation of the liver. There are seven known types - A, B, C, D, E, F, and G.
Among these, Hepatitis B and C are the most serious. Both can lead to long-term liver disease if not detected early.
The Australia antigen test is used specifically to screen for Hepatitis B.
How to prepare for the test
Preparation is simple. There is no strict fasting needed for this test alone.
However, if your doctor has ordered this test along with a Lipid Profile, Triglycerides, or HDL Cholesterol test, they may ask you to fast beforehand.
Before the test, tell your doctor:
Some medications can affect liver markers and may change how your results are read.
A small amount of blood is drawn from a vein in your arm. The whole procedure takes less than five minutes.
Finding the infection early gives your doctor more options and gives you a better outcome.
If your result comes back positive early, your doctor can:
1. Start treatment on time Antiviral medicines can be started before the liver is seriously damaged.
2. Protect the people around you Close family members and contacts can be vaccinated before they are exposed.
3. Monitor your liver closely Follow-up tests like LDL Cholesterol, Lp(a), or an APTTK clotting assessment may be ordered if liver function is affected.
4. Protect your baby during pregnancy If detected early, steps can be taken to prevent the virus from passing to the baby at birth.
For people with known risk factors
If you already have risk factors, your doctor may also recommend an Apo B test or a full cardiac checkup. This is because long-term liver disease can affect fat metabolism and raise cardiovascular risk over time.
| Result | What it means |
| Non-reactive (Negative) | No Hepatitis B surface antigen detected. Normal. |
| Reactive (Positive) | Hepatitis B surface antigen detected. Further testing needed. |
A reactive result does not mean the worst. It means the next step is more investigation, not panic.
JDAR Path Lab in Shanti Niketan, New Delhi, has been running diagnostic tests for over 43 years.
Accurate results The lab uses automated analysers for this test. This means the result is measured directly, not estimated.
Fast reports Your report is usually ready within 24 hours.
Home sample collection If you cannot visit the lab, a sample can be collected from your home across New Delhi.
Transparent pricing No hidden charges. What you see is what you pay.
If your doctor has recommended this test, or if you are in a risk group, booking is simple.
Visit JDAR Path Lab at Shanti Niketan, New Delhi, or book a home collection online at your convenience.
Every report is reviewed by qualified pathologists. Your results will be accurate and ready on time.
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On AUSTRALIA ANTIGEN
When your health is at stake, you cannot afford to take chances with wrong reports. That is exactly why thousands of families in Delhi have been walking into JDAR Pathology Laboratory LLP for over 43 years not because they have to, but because they trust it completely. Since 1983, JDAR has been quietly doing what matters most: giving patients accurate reports, on time, in a clean and welcoming environment. No confusion. No delays. Just reliable results that your doctor can act on confidently.
Located in the heart of Shanti Niketan, South Delhi, JDAR has grown from a single vision into one of the most respected names in healthcare diagnostics. It is not just a Pathology lab in New Delhi it is a place where patients feel heard, respected, and cared for from the moment they walk in.
Over the years, more than 10 lakh patients have trusted JDAR with their health. That number is not a marketing figure it is the result of 43 years of consistent quality, honest reporting, and genuine patient care. Whether you are visiting for a routine blood test, a doctor-referred investigation, or a preventive health check, JDAR treats every single report with the same seriousness and attention to detail.
JDAR did not start as a big corporate chain. It started with one person who genuinely cared. Dr. (Mrs.) Urmil Goel, M.B.B.S., M.D. (Pathology), founded JDAR in 1983 with a simple but powerful belief - that patients deserve quality diagnostic care in a premium, comfortable setting. With over 40 years of hands-on experience in Hematology, Histopathology, and Clinical Pathology, Dr. Urmil Goel built this lab from the ground up. Her dedication is the reason JDAR holds NABL accreditation and meets international quality standards today.
In 2005, her son Dr. Saurabh Goel, M.D. (Microbiology), joined the laboratory. He brought with him fresh expertise in Microbiology and Immuno-Assays, along with a focus on faster report delivery and better patient communication. Under his leadership, JDAR embraced modern diagnostic technology while never losing the personal touch that made it special. Today, this Pathology lab in New Delhi is run by a family that does not just manage a business they take ownership of your health, report by report.
You will find plenty of labs in Delhi. So what makes patients choose JDAR and keep coming back?
They trust the quality. JDAR follows strict NABL and ISO guidelines. Every report goes through internal quality checks and is also validated through external programmes by institutions like AIIMS EQAS, CMC Vellore, and VLAC. Your report is not just printed it is verified. Their doctors recommended it. JDAR is an empanelled diagnostic partner for CGHS, Ayushman Bharat, ECHS, Safdarjung Hospital, RML Hospital, NDMC, DJB, DVB, and the Delhi High Court. When leading hospitals and government bodies trust a lab, that says everything. It is convenient. Can't visit the lab? No problem. JDAR sends trained phlebotomists to your home for sample collection so you get the same quality without stepping out. Reports come fast. Nobody likes waiting anxiously for results. JDAR is known across South Delhi for its shortest turnaround times, without ever compromising accuracy. The experience feels different. Walking into JDAR feels nothing like a typical lab. The facility is clean, modern, and designed to make patients feel comfortable not rushed or overwhelmed.
JDAR's main centre is at House No. 6, Street No. 2, Shanti Niketan, New Delhi,110021, with easy access
from Vasant Vihar, RK Puram, Munirka, Chanakya Puri, Sarojini Nagar, Moti Bagh, and Anand Niketan.
As a growing Pathology lab in New Delhi, JDAR is on a mission to take its trusted diagnostic services pan-India making superior quality testing accessible to every patient, at every budget.
At JDAR, three words guide everything: Trust. Service. Quality. These are not just printed on a wall they are the reason this Pathology lab in New Delhi has survived and thrived for over four decades while bigger, corporate names came and went. When you choose JDAR, you are not just booking a test. You are choosing a lab that treats your health with the same seriousness that you do.
