Fake Urine Samples for Drug Analysis: Hot, But Not Hot Enough
Abstract
To the Editor.
—In the recently published survey on drug testing in the workplace, Hoyt et al1 review the "accuracy and reliability of the various methods commonly used for detection of drugs in urine." Unfortunately, this article does not address the largest source of false results in drug testing: urine sample substitution. The authors assume that witnessing urine specimen collection guarantees sample integrity.
According to the Department of Justice, up to 10% of urine...