Drug testing is done for a variety of reasons:  as part of the pre-employment screening process, random testing while employed or in a diversion or probation program, post-accident for a DOT-regulated job, reasonable suspicion of use while at work, return-to-work after completing a program, follow-up testing, personal or private use, court-ordered screening, drug-free school programs, and many more. The categories below summarize various testing options at Oris.
blood vial drug test
scissors comb hair drug test
nail drug test
saliva drug screen test oral fluid
 Urine drug screen test