A drug test looks for the presence of one or more illegal or prescription drugs in an applicants urine, blood, saliva, hair, or sweat. Urine testing is the most common type of drug screening.
The drugs most often tested for include: Marijuana, Opioids (Heroin, codeine, oxycodone, morphine, hydrocodone, and fentanyl) Amphetamines including methamphetamine, Cocaine, Steroids, Barbiturates, such as phenobarbital and secobarbital and Phencyclidine (PCP) The tests are classified into panels and each panel consists of a combination of above mentioned drugs.