ALT could be elevated for various reasons, such as using
alcohol, various injuries, sstrength training, taking tylenol, and others.
ALT is primarily an enzyme in the liver, when there is liver cell damage, it leaks into your blood.
Since you have pain in your liver area, past sexual risk, and elevated ALT, perhaps it would be wise to test again. Why guess. Ask your doctor to get to the bottom of it.
There's only one HepB surface antigen.