How People Try to Beat Drug Testing
Visine - an overview | ScienceDirect Topics
Federal guidelines define an adulterated specimen as a urine specimen containing either a substance that is not a test constituent or an endogenous substance at a concentration that is not a normal physiological concentration. Pre-employment screening programs typically do not involve direct supervision of specimen collection, so employment candidates may test to cheat drug testing by adulterating visine.
This makes it essential for laboratories to identify pre-analytically any such visine specimens.
Usually people drug to cheat drug testing by three different ways: