HBsAb stands for hepatitis B surface antibody, which is a test that identifies and measures antibodies formed by the immune system in response to the hepatitis B virus. For HbsAb, a level below 5 mIU is said to be negative, while a level above 12 mIU is considered positive.
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Does increased HBsAb suggest an infection in the body after needle prick injury?
Query: Hi doctor, I work in a laboratory and I got my HBS vaccine doses four years back. Yesterday, a needle got injected into my finger accidentally. I got tested for HbsAb and came out with a range of 819. Should I be worried? What to do? Can my antibody get increased without getting any additional dose... Read Full »
Answer: Hi, Welcome to icliniq.com. I understand your concern. As long as your antibody titer for HBsAb (hepatitis B surface antigen) remains more than 100, then you seem to be fully protected. There is no action required. Antibody titers can rise by themselves. I have seen it many times and nobody knows ... Read Full »