Yes the drug is still in your system for 24 to 48 hours.. You still used it
Please don't smoke oxy...it is lame. The components don't break down right when you smoke it so its pretty much useless. But I would give myself 3 days, buy a detox drink and bottle some pee. I am on parole and scared to F- up my drug test too. Since I am a female I can bottle pee and leave it in the "Vault" for my test but I always would want the detox drink just a back up if a female test me. Good luck buddy...