
Hepatitis B Surface Antigen (HBsAg) near me in Agra









The Hepatitis B Surface Antigen (HBsAg) test helps identify the presence of hepatitis B surface antigen (HBsAg) in the blood. It is available at an affordable price in Agra with Tata 1mg labs. HBsAg is a protein that appears in the blood during an active HBV infection and is the first marker of the infection.
The Hepatitis B Surface Antigen (HBsAg) test is primarily used to screen for current hepatitis B infections, monitor disease progression, and inform treatment plans. It also helps identify inactive carriers and assess the risk of infection progression in patients with chronic hepatitis B. Additionally, this test may also be recommended to patients considered for HBV treatment or those already treated with antiviral drugs.








What does Hepatitis B Surface Antigen (HBsAg) measure?
The Hepatitis B Surface Antigen (HBsAg) test detects HBsAg, a protein on the surface of the hepatitis B virus (HBV), in the blood. It is an important screening test for HBV infection. A reactive result needs follow-up with additional tests, such as anti-HBs and total anti-HBc antibodies, and can be confirmed with HBV DNA testing by PCR. This test helps identify individuals who may need medical treatment and supports measures to prevent the spread of hepatitis B. The test uses automated chemiluminescence immunoassay (CMIA/CLIA) technology, which may vary slightly across laboratories.





FAQs related to Hepatitis B Surface Antigen (HBsAg) in Agra
- Hepatitis B [Internet]. World Health Organization; 12 Jul. 2023 [Accessed 30 Sep. 2025]. Available from:
- Hepatitis B [Internet]. CDC; 09 Mar. 2023 [Accessed 30 Sep. 2025]. Available from:
- Song JE, Kim DY. Diagnosis of hepatitis B. Ann Transl Med. 2016 Sep;4(18):338. [Accessed 30 Sep. 2025]. Available from:
- Hepatitis B [Internet]. Healthdirect; July 2022 [Accessed 30 Sep. 2025]. Available from:
- Healthy liver tips. Adults living with Hep B. [Internet]. Hepatitis B Foundation. Available from:
- Pregnancy and Hepatitis B [Internet]. Hepatitis B Foundation. Available from:
- Aygen B, Demir AM, Gümüş M, Karabay O, Kaymakoğlu S, Köksal AŞ, Köksal İ, Örmeci N, Tabak F. Immunosuppressive therapy and the risk of hepatitis B reactivation: Consensus report. Turk J Gastroenterol. 2018 May;29(3):259-269. [Accessed 30 Sep. 2025]. Available from:
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