Hepatitis B Surface Antigen, Quantitative (HBsAg)

Hepatitis B is a serious liver infection caused by the hepatitis B virus (HBV). This test can detect the presence of the hepatitis B virus in your blood and indicates an active HBV infection, either acute or chronic. If you are positive for HBsAg, your blood and body fluids contain the virus and you can transmit it to others.

Pre-Requisites No special preparation required
Sample Type Serum
Report Delivery (TAT) 24 hrs
Method CMIA

Frequently Asked Questions

People with HIV, people who inject drugs, blood and tissue donors, sexual contacts of people with HBV infection, people requiring immunosuppressive therapy, pregnant women at their first prenatal visit, infants born to people with HBV infection.

When present, symptoms can include- fever, fatigue, loss of appetite, nausea, vomiting, abdominal pain, clay-colored stool, joint pain, and dark urine.

HBsAg will be detected in an infected person’s blood an average of 4 weeks (range: 1–9 weeks) after exposure to the virus.

A “positive” or “reactive” HBsAg test result means that the person is infected with hepatitis but should not be used as the sole criteria for diagnosis, staging and monitoring of HBV infection.

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