what could be the possibility to HBSAG Negative

What could be the possibility for HBSAG to Negative from these reports

HBSAG - Positive
-------------------------------------
HBSAB - Positive
Result
63.7 mIU/ml

Reference Range
> 12 mIU/ml - Positive
8mIU/ml - 12 mIU/ml - Borderline

------------------------------------------------------HBCAB - Negetive
-------------------------------------
HBeAG - Negative
---------------------------------------
HBV DNA - Lessthan Detectable Limits
--------------------------------------

Please any one help me What is happening ?

Thanks
Raj

[stef2011]

first of all we need quantification of hbsag in iu/ml, just positive is meanless, 2 tests at 3 months one from the other, so we can understand if you are clearing hbsag

hbcab igm?negative?