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Hepatitis B Surface Antigen Test

  • Direct-to-consumer lab testing; No doctor referral or insurance necessary

  • 4,500+ conveniently located CLIA-certified U.S. labs

  • Comprehensive and easy-to-use website

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About Our Hepatitis B Surface Antigen Test

Note: Fasting is not required for this test.

This blood test checks for Hepatitis B Surface Antigen, which is the earliest indicator of the presence of acute infection. This test also indicates chronic infection and is useful in the differential diagnosis of hepatitis.

The recommended minimum window period for the Hepatitis B Surface Antigen Test is:

  • 6 weeks post potential exposure; hepatitis B can occasionally be detected as early as 3 weeks post-exposure, however for the most accurate results, we recommend getting tested after 6 weeks.

Hepatitis B is a sexually transmitted disease (STD) contracted via blood or other bodily fluids. This virus attacks the liver and is preventable by vaccination. Hepatitis B can be spread by percutaneous or mucosal exposure to infected blood and various body fluids like saliva, menstrual, vaginal and seminal fluids.

More than 90 percent of healthy adults who contract hepatitis B virus will recover naturally from the virus within the first year.

Sometimes (HBV) Hepatitis B includes the following symptoms:

  • Lethargy/Severe fatigue
  • Dark Urine
  • Jaundice
  • Stomach pain
  • Vominting
  • Nausea
  • Liver failure
  • Cirrhosis

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