If it is positive, then you may have a hepatitis B infection. This test may have to be repeated to confirm whether you have a chronic infection. 2. Hepatitis B surface Antibody (HBsAb or anti-HBs) - this tests for the surface antibody that your immune system makes to fight off the virus.
Rottenstone definition, a friable stone resulting from the decomposition of a siliceous limestone, used as a powder for polishing metals. See more. Dictionary.com
2. breaking up, esp through age or hard use; disintegrating: rotten ironwork. 3. morally despicable or corrupt. 4. untrustworthy, disloyal, or treacherous. 5. informal unpleasant, unfortunate, or nasty: rotten luck; rotten weather. 6. informal unsatisfactory or poor: rotten workmanship. 7. informal miserably unwell. 8. informal distressed, uncomfortable, and embarrassed: I felt rotten when I told him to go.