Drug (and trade name)	Street name	Detectable duration in urine after last use	Urine cut-off points for reporting positive*	Toxic blood level	Blood level after usual use
STIMULANTS Cocaine	Coke Crack Flake Snow	Benzoylecgonine 3 days after single use; 4 days after prolonged use.	300 ng/mL (S)(2) 150ng/mL (C)(4)	> 1 ug/mL	100-200ng.mL
Amphetamine (Benzadrine, Dexedrine)	Speed Bennies Uppers Dexies`	48 hours after single use; 7-10 days after prolonged use.	1,000 ng/mL (S)(2) 500 ng/mL (C)(4)	0.5-1.0 ug/mL	30-50ng/mL
Methamphetamine (Desoxyn, Methadrine)	Speed Meth Crystal Ice Doe	48 hours after single use; 7-10 days after prolonged use.	1,000ng/mL (S)(2) 500 ng/mL (C)(4)	0.1-1.0 ug/mL	20-60 ng/mL
Methaphenidate (Ritalin)		80% excreted within 24 hours. Therapeutic dose not detected in urine.	500 ng/mL (S)(2) 200 ng.mL (C)(3)	100-500 ng/mL	15-50 ng/mL
Phenmetrazine (Preludin)		20% excreted within 24 hours	1,000 ng/mL (S)(1) 100 ng/mL (C)(3)	0.5-4 ug/mL	60-80 ng/mL
BARBITURATES Pentobarbital (Nembutal)	Goof balls Downers Nembies Yelow jackets Yellow submarine	2 days	1,000 ng/mL (S)(2) 200 ng/mL (C)(4)	> 11.0 ug/mL	<10 ug/mL
Secobarbitol (Seconal)	Bullets Pink ladies Reds	2 days	200 ng/mL (S)(2) 200 ng/mL (C)(4)	5-15 ug/mL	<10ug/mL
Amobarbital	Blue angler Blue birds Goof balls Stumbler	2 days	2,000 ng/mL (S)(2) 200 ng/mL (C)(4)	>20 ug/mL
Butabarbital (Butisol)	Goof balls Candy Peanuts Stoppers	2 days	1,000 ng/mL (S)(2) 200 ng/mL (C)(4)	>20 ug/mL
Butalbital (Fiorinal)	Goof balls Sleepers Stoppers Peanuts	2 days	3,000 ng/mL (S)(2) 200 ng/mL (C)(4)	>20 ug/mL
Phenobarbital	Barbs Downers	1-3 weeks	3,000 ng/mL (S)(2) 200 ng/mL (C)(4)	>40 ug/mL	10-40 ug/mL
ALCOHOL Ethanol	Booze Hootch	< 1 day	10 mg/dL	100-400 mg/dL	10-50 mg/dL
Methanol		< 1 day	5 mg/dL	>20 mg/dL	0.15 mg/dL
Isopropanol	Rubbing alcohol	<1 day	5 mg/dL	40-200 mg/dL	10 mg/dL
OPIATES Heroin	Smack Horse White lady Skag	2 days as metabolite.	2000 ng/mL	>200 ng/mL
Morphine (Duramorph)	M Junk Morpho White stuff	2 days	2000 ng/mL	>200 ng/mL	50-200 ng/mL
Methadone (Dolophine, Amidone)	Methadose	3 days	300 ng/mL (S)(2) 150 ng/mL (C)(4)	1-2 ug/mL	150-400 ng/mL
Meperidine (Demerol, Pethidine, Mepergan)	Fortis Demies		200 ng/mL (S)(3) 200 ng/mL (C)(4)	>1000 ng/mL	50-250 ng/mL
Codeine, Analgesics with codeine	Rabo School boy	2 days	2000 ng/mL	>1.1 ug/mL	50-100 ng/mL
Propoxyphene (Darvon, Darvocet-N)	Yellow footballs	6 hours to 2 days	300 ng/mL (S)(2)	>500 ng/mL	100-500 ng/mL
HALLUCINOGENIC DRUGS Lysergic acid, diethylamide, LSD	Acid Microdot White lightning	3 days	0.1 ng/mL (S)(5) 5 pg/mL (C)(4)	2-30 ng/mL	1-5 ng/mL
Marijuana and cannabinoids	Marijuana Hashish Bhang Ganja Sensemilla	Single use 2-7 days Prolonged use 1-2 months	100 ng/mL (S)(2) 15 ng/mg (C)(4)	50-200 ng/mL
Phencyclidine	PCP Angel dust Killer weed Hog	Single use 1 week Prolonged use 2 weeks	25 ng/mL (S)(2) 25 ng/mL (C)(4)	1 mg/mL	75-250 ng/mL
Ketamine (Ketalar)	Jets Super acid Special LA coke		500 ng/mL (S)(1) 350 ng/mL (C)(3)		1-6 ug/mL
Amphetamine analogs	DOM STP
Diazepam (Valium)		Single use not detectable Prolonged use 5-7 days, can be up to 30 days	200 ng/mL (S)(2) 200 ng/mL (C)(4)	Drug plus metabolite >3 ug/mL	Drug plus metabolite 0.7-1.8 ug/mL
Oxazepam (Serax)		Single use not detectable Prolonged use 5-7 days	200 ng/mL (S)(2) 200 ng/mL (C)(4)	>1.4 ug/mL	0.2-1.4 ug/mL

*Commonly accepted cut-off values; may be different for specific jurisdictions and methods. Sensititivity/cut-off data are from method literature and package inserts.

(S) = Screening cut off
(C) = Confirmation cut off
(1) Thin-layer chromatography (TLC)
(2) EMIT
(3) High-performance liquid chromatography (HPLC)
(4) Mass spectrometry (MS)
(5) Radioimmunoassay (RIA)

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