Hepatitis B Surface, Ag (HBsAg)

Code

2895

Principle

The causative agent of serum hepatitis is hepatitis B virus (HBV) which is an enveloped DNA virus. During infection, HBV produces an excess of
hepatitis B surface antigen (HBsAg), also known as Australia antigen, which can be detected in the blood of infected individuals. It is responsible for binding the virus to the liver cell and is the target structure of neutralizing antibodies.

Preanalytical

1 mL Serum Refrigerated

Turn Around Time

1 day

Methodology

Chemiluminescent microparticle immunoassay (CMIA)

Limitations

 Specimens from patients who have received preparations of mouse monoclonal antibodies for diagnosis or therapy may contain human anti-mouse antibodies (HAMA). Specimens containing HAMA may produce anomalous values when tested.