HEPATITIS B SURFACE ANTIGEN (HBSAG)

02 Details

Why Get Tested?

To screen for, detect, and help diagnose acute and chronic HBV infections; earliest routine indicator of acute hepatitis B and frequently identifies infected people before symptoms appear; undetectable in the blood during the recovery period; it is the primary way of identifying those with chronic infections, including “HBV carrier” state.

When to Get Tested?

When you have risk factors for HBV infection or when you have signs and symptoms of acute hepatitis; when you have a condition that requires chemotherapy or drugs that suppress your immune system and you might have been exposed to HBV in the past; when you are being treated for HBV.

Sample Required?

A blood sample drawn from a vein in your arm.

Test Preparation Needed?

None

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