Test for drugs with the Devon Medical Centralcheck 5 Panel Drug Test Cup. This simple cup takes only five minutes. The urinalysis drug test can be used by simply pouring urine in and waiting for the results. It has an 18-month shelf life and can be used to test for a variety of drugs including amphetamine, cocaine, opiates, methamphetamine and marijuana. The Devon Medical drug test cup comes with a covering sticker that allows you to block the results until you are ready to look at them.