how long do opiates stay in urine?

Answer 1

depending on how much you do, wut kind of opiate, perc, vic, o.c, opium, heroin, body weight, metabolism, body fat, potency........ but usualy a day or two

Answer 2

The detection limit of the initial screen is 300 ng/ml, with a sensitivity of 20 ng/ml. This is sufficient to detect heroin use for approximately 24-48 hours post dose and codeine for somewhat longer. Positives are confirmed on GC/MS at a cutoff level of 300 ng/ml.