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Detection Times in Urine Testing

Detection time estimates for urine drug screens are very broad. Many factors determine how long a particular drug can be detected in a person, including that person's age, weight, sex, metabolic rate, overall health, amount of drug consumed over what period of time, etc. No conclusions can be drawn as to when a particular drug was taken or how much was consumed with urine drug screens. Sunday is generally a good testing day for teens. If a test is positive and your teen will not provide details, more specific information can be obtained through lab testing, which can be done by or ordered through your child's physician. Your local yellow pages is the best way to locate a free-standing drug testing lab, which is usually the quickest and most cost efficient option for a confirmation test. 



Commonly Abused Drugs




Substance/ Abbreviation/

Proprietary or Street Names

Route of Administration

Drug Detection Times

Amphetamine (AMP)
1000 ng/mL

Biphetamine, Dexedrine; Black Beauties, Crosses, Hearts, Speed, Uppers, Adderal

Injected, oral, smoked, sniffed

1-4 days

Cocaine (COC)

Coke, Crack, Flake, Rocks, Snow

Injected, smoked, sniffed

1-4 days

Methamphetamines (mAMP)
1000 ng/mL

Desoxyn; Crank, Crystal, Glass, Ice, Speed

Injected, oral, smoked, sniffed

3-5 days

(use our tobacco test)

Cigars, Cigarettes, Smokeless tobacco, Snuff, Spit tobacco

Smoked, sniffed, oral, transdermal

1-3 days for light smoking, can be detected up to 2 weeks for heavy smoking

Phencyclidines* (PCP)
12 panel only

PCP; Angel Dust, Boat, Hog, Love Boat

Injected, oral, smoked

2-8 days

12 panel only
may also be detected as OPI

DOB, DOM, MDA, MDMA; Adam, Ecstasy, STP, XTC


1-2 days

50 ng/ML

Blunt, Grass, Herb, Pot, Reefer, Marijuana, Weed

Oral, smoked

1 day - 8 weeks

12 panel only

 Darvon, Darvocet


Tylenol w/codeine, Robitussin A-C, Empirin w/codeine, Fiorinal w/codeine

Injected, oral

1-3 days

Heroin (OPI)

Diacetylmorphine; Horse, Smack

Injected, smoked, sniffed

1-3 days

12 panel only

Amidone, Dolophine, Methadose

Injected, oral

1 day - 1 week

Morphine (OPI)

Roxanol, Duramorph

Injected, oral, smoked

1-3 days

Oxycodone* (OXY)
12 panel only
may also be detected as OPI

Hydrocodone, Oxy, Vicodin, Norco

(use our alcohol test)

Beer, Wine, Liquor


1-10 hours

Barbiturates* (BAR)
12 panel only

Amytal, Nembutal, Seconal, Phenobarbital; Barbs

Injected, oral

2-10 days

Benzodiazepines (BZO)

Ativan, Halcion, Librium, Rohypnol, Valium; Roofies, Tranks, Xanax, T-bars

Injected, oral

3-7 days

* not tested for on our 6 panel test





Marijuana Detection Time Based on Usage

 Usage at 1 time only

 0-4 days

 Usage at 2-4 times per month

 11-18 days

 Usage at 2-4 times week

 23-35 days

 Usage at 5-6 times per week

 33-48 days

 Daily Usage

 49-63 days







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