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Frequently Asked Questions

  1. What does the multi-drug of abuse urine cup test do?

    The multi-drug of abuse urine cup test is a drug screen test. It provides preliminary results for the detection of one or more of the drugs at the cut-off level:

    AbbreviationTest
    AMPAmphetamine
    BARBarbiturates
    BZDBenzodiazepine
    COCCocaine
    METMethamphetamine
    MORMorphine
    MTDMethadone
    PCPPhencyclidine
    TCATricyclics
    THCMarijuana/Hashish
    XTCMDMA or Ecstasy
  2. What is cut-off level?

    The cut-off level is the specified concentration of a drug in a urine sample. Above that concentration the test is called positive, and below that concentration it is called negative.

  3. What are drugs of abuse?

    Examples of drugs of abuse include marijuana, cocaine, opiates, heroin, amphetamines, Ecstasy or MDMA, and phencyclidine. Prescription drugs, such as morphine, codeine or other painkillers, also may be abused.

  4. Common Street Names for Drugs

    Drug Street Name
    AmphetaminesSpeed, Amp, Bennie, Chalk, Black beauties
    CocaineBig C, Coke, Snow, Flake, Candy, Crack, Blow, Rock
    MethamphetaminesCrystal, Meth, Ice, Glass
    MDMAEcstasy, E, Adam, XTC, X
    OpiatesHeroin, H, Hairy hombre, horse, Jones, Scag
    Marijuana (THC)Pot, Weed, Herb, Bud, MJ, Doobie, Reefer, Grass joint, Homegrown, Spliff
    PhencyclidineAngel dust, hog, Killer weed
  5. How long can the drugs be detected in urine?

    The following are guidelines only. The times can vary significantly from these estimates depending on how long the person has been taking the drug, amount of drug they use, or the person's metabolism.

    Drug Detection Times
    Minimum Maximum
    Amphetamines/ Methamphetamines (Speed/Uppers)4-6 hours2-3 days
    Cocaine (Crack)2-6 hours2-3 days
    Heroin (Opiates)2-6 hours1-3 days
    Marijuana (Pot)1-3 hours1-7 days
    Phencyclidine (Angel Dust/PCP)4-6 hours7-14 days
  6. How accurate is the test?

    The test is fairly sensitive to the presence of drugs in the urine. This means that if drugs are present, you will usually get a preliminary positive result. If you get a preliminary positive result, you should send the urine sample to the laboratory for a second, more accurate test.

    It is very important to send the urine sample to the lab, because the drug of abuse urine screening may give positive results when no drugs are actually present. Certain foods, food supplements, beverages, diet pills, or over-the-counter medicines can cause a reaction with the tests. Laboratories use a very reliable test, with very few errors, to determine whether or not your sample contains drugs.

    Many things can affect the accuracy of this test, including but not limited to:

    • The way you did the test
    • The way you stored the test or urine
    • What the person ate or drank before taking the test
    • Any prescription or over-the-counter drugs the person may have taken before the test

    55 consumers participated in a field study. The results of the study are summarized below. All 14 incorrect results are at drug concentrations at 50% ~ 150% of the cutoffs.

    DrugCutoff Conc. (ng/ml)# TestResult Interpretation
    CorrectIncorrect
    AMP10002202173
    BAR2002202191
    BZD3002202173
    COC3002202191
    MET10002202191
    MOR20002202173
    MTD3002202200
    PCP252202200
    THC502202191
    TCA10002202191
    XTC5002202200
  7. If the test results are negative, can you be sure that the person did not take drugs?

    No. There are several factors that can make the test results negative even though the person is using drugs. Because

    • You may have tested for the wrong drugs.
    • You may not have tested the urine when it contained drugs. It takes time for drugs to appear in the urine after a person takes them, and they do not stay in the urine indefinitely; you may have gotten the urine too soon or too late.
    • The person knowingly added something to the urine to prevent it from reacting with the test chemicals.
    • The chemicals in the test went bad because they were stored incorrectly or they passed their expiration date.

    If you get a negative result, but still suspect drug abuse, you can test again at a later time. You should also consider testing other types of drugs. Talk to your doctor if you need more help deciding what steps to take next.

  8. What is false positive result?

    A false positive result is a screening test read positive when the drug or drug metabolite is not present or its concentration is less than the cutoff level.

  9. What does Preliminary Positive mean?

    The Multi-Drug Urine Test is a screening test. It is the first step in a two-step process. Screening tests are not as accurate as laboratory test. It is possible to get a positive result when the person did not take drugs. For example, some medicines and food may cause the screening tests to incorrectly read positive. Things such as diet pills, inhalers and cough syrup can cause a positive result. You consult with your doctor to better understand how medications may interfere with this test.

  10. Does a positive screen test mean that you have found drugs of abuse?

    No. Wait until you get the laboratory's result. Remember that many factors may cause a false positive result in the home test. It is important to send any sample giving positive results to the laboratory for further evaluation.

  11. What if the lab test confirms a positive result?

    The lab uses very accurate and reliable equipment to run the tests. If the lab reports a positive result, it means the drug was present in the urine sample. But do not assume the urine sample came from a drug abuser.

    People can test positive THC (or marijuana) because they have been repeatedly around heavy marijuana smoke even they did not smoke marijuana themselves.

    Consider all amphetamine results carefully, even those from the lab. Some over-the-counter medications contain amphetamines that cannot be distinguished from illegally abused amphetamines.

    • If you received a positive result and you do not believe the test, consult your doctor. They have your medical history and they can provide you with detailed information.
    • If a positive result was confirmed, consult you doctor to identify counselors who will help you. You can also contact one of the resources listed below for help.
  12. Additional Resources

    • National Institute on Drug Abuse
      Phone: 301-443-1124
      www.drugabuse.gov
    • Center for Substance Abuse Prevention
      Substance Abuse and Mental Health Services Administration
      Phone: 301-443-9110
      www.prevention.samhsa.gov
    • Centers for Disease Control and Prevention
      Phone: 404-639-3534
      Phone: 800-311-3435 (toll-free) www.cdc.gov
    • Safe and Drug-Free Schools Program
      U.S. Department of Education
      Phone: 800-872-5327 (toll-free) www.ed.gov
    • National Clearinghouse for Alcohol and Drug Information
      Phone: 800-729-6686 (toll-free)
      www.ncadi.samhsa.gov
    • National Council on Alcoholism and Drug Dependence
      Phone: 800-622-2255 (toll-free)
      www.ncadd.org
    • American Council for Drug Education
      Phone: 301-443-3860
      www.niaaa.nih.gov

    Temperature limitation Use by
    YYYY-MM
    temp Batch/Lot code

    ivd

    In vitro diagnostic medical device
    manufacturing Manufacturer

    ref

    Catalog number
    sigma1 Contains sufficient for < n > tests infobook Consult instructions for use
    noreuse2 Do not reuse
    Caution Caution, consult accompanying documents














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