The most common type of drug testing is the 5-panel drug test. The workplace drug test usually checks for five illicit drugs and on occasion alcohol.
With that said, one of the largest markets is “faking” the urine market. Individuals with purchase detox kits or purchase synthetic urine. It is as easy as typing in the search term “how to cheat a drug test”.
Furthermore, many testing sites just provide the employee with a cup and send them into the bathroom to dispense their sample. The majority of employers do not require candidates or employees to be monitored during this process which makes it that much easier to fraud the test.