It means that the test could not determine your hbsab with good probability. Most likely the level of ab is around the sensitivity of the analyzer.
You can do the test again, or better you find another lab with more sensible analyzer.
Another approach could be to get a vaccine shot and test ab later, in the unlikely event when they do not come up, you have occult hbv.
you had acute hbv long time ago and now are losing hbsab antibody because not needed anymore (still immune even if hbsab less than 10miu/ml).you better use quantitative tests for hbsab, qualitative are not used and may be obsolete machines
if you like you can have a boost vaccine but not needed unless exposed to hbv with partners or family
Yes you had acute hbv infection long ago probably more than 10 years ago. You developed immunity then, but now you have lost it, it is normal.
You can not pass hbv to anyone because you are not infected, but you can get infection again yourself.
For your protection and to be 100% sure that you have no virus left, it is best to get vaccine shot (boost) and afterwards check if antbodies developed in good quantity -- hbsab quantitive test.
Or you can just do hbsab quantitive test, because the one that you did was useless.
Thank you for all the information. However, I may have been unclear about my HBV situation. I have no idea when I became infected. It may have been as a child or maybe as an adult. I am not sure. The first symptoms were in February 2010. I went to hospital and tested positive for HBV. By the end of April 2010, my viral load was very, very high so my doctor put me on baraclude 0.5mg. In July 2010 my hbsab was negative. My doctor said continue baraclude. I stopped taking baraclude in March 2011. I had no more tests at this time. My next tests was 2 weeks ago January 2013 (results posted earlier in this thread). So what do you think my next course of action should be? Should I get hepatitis B shots?
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