Diagnostic test
HEPATITIS B SURFACE ANTIGEN (HBSAG)
About test
What does HEPATITIS B SURFACE ANTIGEN (HBSAG) measure?
This test detects hepatitis B surface antigen (HBsAg), a marker that may be present during a hepatitis B virus infection. It may be used to help screen for hepatitis B, assess possible current infection, or evaluate people at increased risk of exposure. Results are interpreted alongside medical history, symptoms, and other hepatitis B tests when needed.
This overview is educational. Use the recorded preparation, sample and lab-partner details below for collection guidance, and confirm any missing information before collection.
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Thyrocare
- Sample for analysis
- Confirm with the collection team
- Report time
- To be confirmed
Preparation and specimen requirements can vary by test and laboratory. Follow the instructions shown for your selected partner and any advice from your healthcare professional.