Simultaneous hair testing for opiates, cocaine, and metabolites by GC–MS: a survey of applicants for driving licenses with a history of drug use

Current status of accreditation for drug testing in hair

“…Eighty-seven percentages of the laboratories offered testing in two or more categories most commonly criminal investigations (drug-related deaths, child protection) and monitoring drug use with 36 (69%) research active laboratories. Driving licence [18][19][20].…”

The study of metabolite-to-parent drug ratios of methamphetamine and methylenedioxymethamphetamine in hair

“…Cocaine and opiates are the most prevalent drugs reported in hair analysis [1][2][3][4][5][6][7][8]. The metabolite-to-parent drug ratios in hair were reported for opiates and cocaine to avoid risk of external contamination [9][10][11][12][13].…”

Chromatographic Methodologies for Analysis of Cocaine and Its Metabolites in Biological Matrices

“…For human performance forensic toxicology purposes, also defined as behavioral toxicology, cocaine is frequently tested in urine samples and swabs of oral fluid from drivers and applicants for driving licenses with a history of drug use (Brookoff et al, 1994;Gjerde et al, 2008;Montagna et al, 2000;Samyn et al, 2002;Tagliaro et al, 2000;Wylie et al, 2005).…”