JAmanda L D'Orazio, Amanda L A Mohr, Ayako Chan-Hosokawa, Curt Harper, Marilyn A Huestis, Sarah Kerrigan, Jennifer F Limoges, Amy K Miles, Colleen E Scarneo, Karen S Scott, Barry K Logan
Abstract
TIn 2004, the National Safety Council's Alcohol, Drugs and Impairment Division (NSC-ADID) set out to provide guidance for the standardization of laboratory testing practices in driving under the influence of drugs (DUID) and fatal motor vehicle crash investigations after identifying a lack of consistency in testing practices in this type of casework. A survey about laboratory testing practices, scopes of testing, and cutoffs was created using SurveyMonkey®, an online survey instrument, and sent to laboratories throughout the United States and Canada. Based on analysis of survey results and discussion, the first set of recommendations was published in 2007 with recommended scope and cutoffs for drug screening and confirmation in blood and urine. Subsequent surveys were sent to laboratories in 2012, 2016, and 2020, followed by updates to the recommendations published in 2013, 2017, and 2021....
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