I took some cocaine sunday 5am have a rest thursday 5pm will i be clean. ?

Maybe: Labs dont test for the drug itself but for the metabolite. That will stay around long after the drug is gone, up to 30 days in a frequent user. Iit tay in your bloodstream up to 72 hours. It can stay in your urine for about 2 or up to 7 days after single use. Habitual or chronic use can be detected in urine for up to 12 weeks depending on quantity, duration, and frequency.