SUBSTANCEURINEHAIRBLOODADVISED
PRODUCTS
Alcohol24 hoursN/A12 hours
THC/Marijuana (single use)1 to 3 daysup to 90 days24 hours
THC/Marijuana (habitual use)up to 14 daysup to 90 days2 days
Amphetamines (except meth)2 to 3 daysup to 90 days12 hours
Methamphetamine2 to 5 daysup to 90 days24 hours
Barbiturates (except phenobarbital)2 to 3 daysup to 90 days1 to 2 days
Phenobarbital7 to 14 daysup to 90 days4 to 7 days
Benzodiazepines1 to 7 daysup to 90 days6 to 48 hours
Cannabis (single use)1 to 3 daysup to 90 days24 hours
Cannabis (habitual use)up to 14 daysup to 90 days2 days
Cocaine1 to 3 daysup to 90 days24 hours
Codeine2 to 3 daysup to 90 days12 hours
Morphine2 to 3 daysup to 90 days6 hours
Heroin2 to 3 daysup to 90 days6 hours
LSD2 to 24 hoursunknown0 to 3 hours
PCP5 to 7 daysup to 90 days24 hours