I have aps. my doc says i would have to be off coumadin (warfarin) for several weeks to be tested for lupus anti-coagulant antibody. how do i know if i have it?

Do as your doc says: Antiphospholipid syndrome is a complicated hematological entity that is diagnosed with laboratory testing. You will know that you have it (or don't have it) when your doctor tells you the results of the testing. Meanwhile, you should do as he/she says.

Would not effect ABS: Being on Coumadin (warfarin) does not have an effect on antibody titers. It simply protects against clotting, a major complication of aps.