One of the most invasive, reliable, and accurate tests used today in forensic medicine is the drug testing procedure known as quovius drug testing. The Quovian procedure is performed on any bodily substance that may contain drugs. Typically, this type of procedure is performed on a person who is suspected of drug use, either by the police or by a healthcare professional who suspects abuse of a controlled substance. In recent years, drug testing has become more popular among employers because it has been found that employees who test positive for certain controlled substances do not perform at their best when placed in work settings, such as at work or at home. Therefore, employers have many reasons to perform drug testing on potential employees.
Different types of drug testing
There are many different types of drug testing that may be performed, including those based on blood, saliva, hair, urine, or breath samples. Some tests, such as those based on saliva samples, require that the suspect swallow a mouthwash prior to testing; others, such as those based on blood tests require that a small amount of blood is drawn from the vein. Another option, which some people prefer, is to perform a drug testing procedure based on hair samples; hair samples can indicate the frequency and quantity of drug use. However, even these procedures have some limitations, such as the detection window. For drug testing based on hair or saliva samples, a significant time delay between drug administration and hair growth may occur.
Drug testing procedures often reveal evidence of substance abuse by testing for a particular pattern of substance use, such as regular use, abuse, dependence, or withdrawal. It is important to remember that drug testing only reveals an element of possible substance use; it does not prove the existence of substance use, abuse, dependence, or withdrawal. Therefore, a negative urine test for a particular substance does not prove that the substance is not abused; likewise, a positive urine test does not necessarily mean that the substance was abused. Generally, all tests result in some degree of evidence of substance abuse or dependence and should be used as a tool for law enforcement personnel when determining whether a person violated drug laws.