Cut-off and toxicity levels for drugs-of-abuse testing.(Clinical and Professional Reference Guides)

Medical Laboratory Observer | August 1, 2003 | Copyright
 
This table summarizes information useful in the interpretation of 
drugs-of-abuse assays. It was developed by Daniel M. Baer, MD, 
professor emeritus of pathology, Oregon Health Sciences University, 
Portland OR, and updated by Richard A. Paulson, MT(ASCP), supervisor 
of chemistry and toxicology, VA Medical Center, Portland, OR. The 
table was updated for CLR 2003-2004 by Robert H. Williams, PhD, DABCC, 
FACB, MT (ASCP), Clinical Scientist/Consultant, Quest Diagnostics, 
Inc. and Clinical Associate Professor of Pathology, University of 
South Florida, both in Tampa, FL. 
 
Drug (and ...
<72 hours 
Hydrochloride          Lady Kay, 
(Ketajet)              Vitamin K, 
                       Jet, 
                       Cat Valium 
 
Drug (and              Some common        Urine cut-off points 
trade name)            street names       for reporting positive 
                                          or limit of quantitation * 
 
OPIATES 
 
Heroin                 Horse,             2000 ng/mL 
(Diacetylmorphine)     Stuff,             (as morphine) 
                       Smack, 
                       Junk, 
 
Morphine               M,                 2000 ng/mL (S)(1) 
(Duramorph)            Junk,              300 ng/mL (C)(3) 
                       Morpho, 
                       White stuff 
 
Methadone              Methadose          300 ng/mL 
(Dolophine,                               200 ng/mL (C)(3) 
Amidone) 
 
Meperidine             Fortis,            200 ng/mL (S)(2) 
(Demerol, Pethidine)   Demies             200 ng/mL (C)(3) 
 
Codeine                Rabo,              2000 ng/mL (S)(1) 
(Analgesics with       School boy         300 ng/mL (C)(3) lethal) 
codeine) 
 
Propoxyphene           Yellow,            300 ng/mL (S)(1) 
(Darvon,               Footballs          200 ng/mL (C)(3) 
Darvocet-N) 
 
Oxycodone              Oxy,               100-500 ng/mL (S)(1) 
(Oxycontin,            OC,                (highly variable) 
OxyIR, Percocet,       Oxycotton,         100-300 ng/mL (C)(3) 
Percodan)              Killer             (highly variable) 
 
HALLUCINOGENS 
 
Lysergic acid,         Acid,              0.5 ng/mL (S)(1) 
diethylamide           Microdot,          100 pg/mL (C)(4) 
(LSD)                  White lightning 
 
Marijuana and          Marijuana,         100, 50, 25, or 
cannabinoids           Hashish,           20 ng/mL (S)(1) 
                       Bhang,             15 ng/mL (C)(3) 
                       Ganja, 
                       Sensemilla 
 
Phencyclidine          PCP,               25 ng/mL(S)(1) 
                       Angel dust,        25 ng/mL (C)(3) 
                       Killer weed, 
                       Hog 
 
STIMULANTS 
 
Cocaine                Coke,              300 ng/mL (S)(1) 
                       Crack,             150 ng/mL (C)(3) 
                       Flake, 
                       Snow 
 
Amphetamine            Speed,             100 ng/mL (S)(1) 
(Benzedrine,           Bennies,           500 ng/mL (C)(3) 
Dexedrine)             Uppers, 
                       Dexies 
 
Methylene-3,4 dioxy-   Ecstasy,           3000-5000 ng/mL (S)(1) 
Methamphetamine        Adam,              5 ng/mL (C)(3) 
(MDMA)                 XTC, 
                       Love drug, 
                       Hug drug 
 
Methamphetamine        Speed,             100 ng/mL (S)(1) 
(Desoxyn,              Meth,              500 ng/mL (C)(3) 
Methedrine)            Crystal ice, 
                       Crank 
 
BARBITURATES 
 
Pentobarbital          Goof balls,        425 ng/mL (S)(1) 
(Nembutal)             Downers,           200 ng/mL (C)(3) 
                       Nembies, 
                       Yellow jackets, 
                       Yellow submarine 
 
Secobarbital           Bullets,           200 ng/mL (S)(1) 
(Seconal)              Pink ladies,       200 ng/mL (C)(3) 
                       Reds 
 
Butabarbital           Goof balls,        312 ng/mL (S)(1) 
(Butisol)              Candy,             200 ng/mL (C)(3) 
                       Peanuts, 
                       Stoppers 
 
Butalbital             Goof balls,        342 ng/mL (S)(1) 
(Fiorinal)             Sleepers,          200 ng/mL (C)(3) 
                       Stoppers, 
                       Peanuts 
 
Phenobarbital          Barbs,             505 ng/mL (S)(1) 
                       Downers            200 ng/mL (C)(3) 
 
ALCOHOLS, DIOLS, & 
METABOLITES 
 
Ethanol                Booze,             10 mg/dL 
                       Hooch 
 
Methanol               Wood               5 mg/dL (gas 
                       alcohol            chromatography) 
 
Isopropanol            Rubbing            5 mg/dL (gas 
                       alcohol            chromatography) 
 
Acetone                                   5 mg/dL (gas 
                                          chromatography) 
 
Ethylene Glycol        Antifreeze         5 mg/dL (gas 
                                          chromatography) 
 
SEDATIVES/HYPNOTICS/ANESTHETICS 
 
Diazepam               Tranks,            160 ng/mL (S)(1) 
(Valium)               Downers,           100 ng/mL (C)(3) 
                       Blues, 
                       Yellows, 
                       Blue Magoo, 
                       V 
 
Oxazepam               Tranks,            240 ng/mL (S)(1) 
(Serax)                Downers,           100 ng/mL (C)(3) 
                       Blues, 
                       Yellows 
 
Alprazolam             Tranks,            240 ng/mL (S)(1) 
(Xanax)                Downers,           100 ng/mL (C)(3) 
                       Blues, 
                       Yellows 
 
Clonazepam             Tranks,            540 ng/mL (S)(1) 
(Klonopin)             Downers,           100 ng/mL (C)(3) 
                       Blues, 
                       Yellows 
 
Chlordiazepoxide       Tranks,            600 ng/mL (S)(2) 
(Librium)              Downers,           100 ng/mL (C)(3) 
                       Blues, 
                       Yellows 
 
Lorazepam              Tranks,            675 ng/mL (S)(1) 
(Ativan,               Downers,           100 ng/mL (C)(3) 
Loraz)                 Blues, 
                       Yellows 
 
Flunitrazepam          Roofies,           12-60 ng/mL (S)(1) 
(Rohypnol)             Rib,               (Immunoassay) 
                       Rope,              100 pg/mL (C)(4) 
                       Roach-2, 
                       R-2 
 
Gamma-                 GHB,               1-10 mg/L (gas 
Hydroxybutyrate        G-Caps,            chromatography; 
(Somatomax)            Geebers,           gas chromatography, 
                       Fantasy,           mass spectrometry) 
                       Liquid Ecstasy 
 
Ketamine               Special K,         15 ng/mL (S)(5) 
Hydrochloride          Lady Kay,          (Immunoassay) 
(Ketajet)              Vitamin K,         5-10 ng/mL (gas 
                       Jet,               chromatography, 
                       Cat Valium         mass spectrometry) 
 
Drug (and              Some common        Toxic 
trade name)            street names       blood level 
 
OPIATES 
 
Heroin                 Horse,>

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