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A 22-year-old female asked:

Hello good afternoon, im reading my results and it says hepatitis b surface ab ql reactive, what does that mean?

1 doctor answer1 doctor weighed in
Dr. Kristin Stropnicky
Family Medicine 9 years experience
Immunity: A positive or "reactive" Hepatitis B surface antibody (ab) result means that you are demonstrating immunity to the Hepatitis B virus either through successful vaccination or a previous acute Hepatitis B infection. Tests for Hepatitis B are generally ordered in a panel of at least 3 tests (HBsAg, HBsAb/Anti-HBs and HBcAb/Anti-HBc) and at least all 3 are needed to make a proper diagnosis.

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Last updated Jul 7, 2019

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