Definition of urine drug test full service dot, Wellness, Occupational History, Occupational Stress, Preparing for your Occupational physical, How to stay fit and reduce work stress, workers compensation, how to prevent injury in the workplace, dealing with difficult leadership, mental health in the workplace, physical health in the workplace. According to the Centers for Disease Control and Prevention, one out of ten Americans utilizes illegal substances. Illicit drug use severely hinders a person’s ability to function and leads to long-term addiction or regular usage in many situations. Through urine drug testing, we can identify the use of illicit or restricted drugs, prescription and over-the-counter pharmaceuticals, and substances like alcohol and cigarettes.