The hepatitis B virus surface antigen (HBsAg) in the blood indicates the Hepatitis B virus infection. The HbsAg test provides a means of confirming the HBsAg in blood, and one can use this test to assess the possibility of Hepatitis B virus infection. One can also incorporate this test into the general screening system.
Detection Range
COI ≥ 1.0
Indication
Fulminant Hepatic failure, chronic hepatitis, cirrhosis, Liver cancer
In Your Medical Field
The hepatitis B virus can be transmitted through asymptotic chronic carriers. It can also affect newborns, making it crucial to diagnose the virus in the early stage of infection. HBsAg tests for the HBV infection with a drop of blood, can help with the screening for the costly PCR confirmation test.