Drug testing is inherently an information science. Aside from the analytical aspects of the test, the purpose of drug testing is to accurately and efficiently deliver specific information to the customer regarding the presence or absence of drugs in a specimen. Since the introduction of drug testing more

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

than 30 yr ago, service providers have struggled to deliver drug-test information more efficiently. The "proximal shift" of lateral-flow point-of-collection tests (POCT) with advancements in information technology has created a unique opportunity for the delivery of drug-test information and results remarkably more quickly and reliably than ever before. The eScreen® (eScreen, Inc.) system leverages the advancements in information technology with recent developments in near patient drugs-of-abuse (DOA) testing.

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