HBsAg Screening (Rapid) near me in Bangalore

Also referred as

Australia Ag

For men & women

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12 hours

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1 test

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Hepatitis B Surface Antigen (HBsAg) test is used to determine the presence of Hepatitis B viral infection by measuring the amount of HBsAg in the blood. Hep B virus spreads mainly through body fluids or unsafe sexual intercourse. Hep B antigen is expressed on the surface of Hepatitis B virus and its detection is a preliminary test to check the infection at an earliest possible stage. A positive Hep B surface antigen test requires further testing to determine the level of infection in the body.
In some cases uncontrolled levels of Hep B infection can lead to chronic hepatitis infection and liver cirrhosis.
Immunocompromised patients and infants are more prone to develop severe symptoms of chronic hepatitis.

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What does HBsAg Screening (Rapid) measure?

HBsAg test detects the presence or absence of Hepatitis B Surface Antigen (HBsAg) in the blood.

Hepatitis B virus is one of the five main hepatitis viruses, referred to as types A, B, C, D and E and is the causative agent of Hepatitis B (infection in the liver). Hepatitis B Surface Antigen (HBsAg) is present on the surface of the Hepatitis B virus (HBV). HBsAg is present in the blood of patients with viral hepatitis B (with or without clinical symptoms).

HBsAg is the first marker appearing in the blood at 6 to 16 weeks following exposure to HBV. In most cases after an acute infection, this virus clears up on its own in 1 to 2 months after the onset of symptoms. But in some people, the virus does not go away and results in chronic infection which over the years may lead to liver damage (scarring or cirrhosis) or liver cancer. Persistence of HBsAg for more than 6 months indicates the development of either a chronic carrier state or chronic HBV infection.

Content created by

Dr. Swati Gupta (Anand)

MBBS, MD Lab Medicine

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Last Updated

25th Oct 2023