Drugs of abuse (DOA) testing is found to be a clinical screening procedure to detect one or more illegal substances like drug, chemical, or plant product. This clinical screening procedure is performed to confirm the presence of one or more illegal or prescription drugs in the patient\'s urine, saliva, blood, hair or sweat. The surge in consumption alcohol and illicit drugs such as marijuana, cocaine, and others, is one of the major drivers for the drug abuse testing market.