DRUG DETECTION TIMES
(APPROXIMATES AND FOR GUIDE ONLY)

Drug/Identifier	Cut-off Level	Minimum	Maximum
Marijuana (THC)	50 ng/ml	2 hours	Up to 40+ days
Cocaine (COC)	300 ng/ml	1-4 hours	2-4 days
Methamphetamine (MET)	1000 ng/ml	2-7 hours	2-4 days
Amphetamines (AMP)	1000 ng/ml	2-7 hours	2-4 days
Ecstasy (MDMA)	500 ng/ml	2-7 hours	2-4 days
Opiates (heroin) (OPI)	2000 ng/ml	2 hours	2-3 days
Phencyclidine (PCP)	25 ng/ml	4-6 hours	7-14 days
Benzodiazepines (BZO)*	300 ng/ml	2-7 hours	1-4 days
Methadone (MTD)	300 ng/ml	3-8 hours	1-3 days
Barbiturates (BAR)	300 ng/ml	2-4 hours	1-3 weeks
Tricyclic Antidepressants (TCA)	1000 ng/ml	8-12 hours	2-7 days
Oxycodone (OXY)	100 ng/ml	1-3 hours	1-2 days
Fentynal (FEN)	1-5 ng/mL	1-3 hours	1-2 days
Hydromorphone (HYD)	100 ng/ml	1-3 hours	1-2 days