Lateral-flow on-site devices require little training to operate, can provide results quickly, and have provided reliable results. Hence, they are gaining
From: Forensic Science and Medicine: Drugs of Abuse: Body Fluid Testing Edited by R. C. Wong and H. Y. Tse © Humana Press Inc., Totowa, NJ
acceptance. Such drug screens have been widely utilized in the criminal-justice arena because of their low cost. In the workplace market segment, there is a continuous shift toward screening drugs on-site by the specimen collectors rather than sending the specimen to be tested to a reference laboratory. This practice trims down tremendously the time and cost of initial drug screens. Now a drug screen takes only minutes, with results available usually while the donors are present. Positive screen tests can still be sent to laboratories for confirmation. In light of this change, reference laboratories have been performing fewer drug screens, and competition for business among laboratories has been fierce. The end result is that there have been consolidations of laboratories, and many reference laboratories have made on-site test devices available to their customers.
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