Test used to determine the appearance, or nonappearance of drugs or alcohol in a person’s system.
Breath alcohol testing is the most common method used to detect alcohol impairment. It offers accurate, court-admissible, same-day test results.
A drug screen (also called a drug test) is the collection and analysis of blood, urine, hair, or saliva to detect the presence of the chemicals and contaminants left behind in the body due to drug use.