HBSAG Negative HBSAB Positive

[Polo2014]

Hi,

Just a quick question, I was vaccinated when I was young, it has been now nearly 20 years since I got vaccinated against Hepatitis B. I have been tested for HBsAG twice, both times negative(Dont remember the exact number but was 1.0). I have been tested for HBsAB which is reactive (217.5 mlU/ml). Does that mean I am immune against Hepatitis B? Do I need further testing? Do I need to test from a different lab?

Thanks.

[varsa]

Your hbsab test is 217 means u have good anti body. Nothing to worry

[varsa]

Non reactive means u r negative to hbsag

[Polo2014]

Thanks for the reply, do i need to worry about mutation? I was vaccinated long ago nearly 20 years ago and my titer is still above the required 10 I/UL, do i need to do any other test?

[I2013]

I dont remember the exact value but HBsAg test result was less than 0.5 both times. Do numbers make any difference when testing for HBsAg test? I thought they only matter when testing for HBsAB test which was 217 mIU/mL.

[I2013]

HBsAG was less than 0.5 i dont remember the exact value. But the report said non reactive. Does the value makes any difference as it was less than 0.5?

[Polo2014]

sorry for my typo,
My both HBsAG tests were negative with value <0.5.

[Polo2014]

The cutoff was at >1.0

[Ram1982]

HBsAG value was 0 iu/ml?

[Polo2014]

Does it need to be 0? Mine was 0.2 or 0.3, but the report said negative as cut off was at 1.