False positive drug test marijuana

• [PDF File]Drug Testing and Product Training

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  Drug Abuse Urine Tests: False-positive Results Lead author: Joseph A. Woelfel, Ph.D., FASCP, R.Ph., Assistant Editor Health care professionals are frequently asked questions about false-positive drug testing results. Testing is a common practi ce in work settings, rehabilitation programs, the military, and legal and judicial venues.

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• Causes of False Positive THC Urine Test | New Health Advisor

  (1) True Positive: Drug dependent 3.5 percent 4.4 percent (2) False Positive: Drug use within past 12 months, but no drug or alcohol dependence, and no psychiatric disorder 9.2 7.3 (3) Accidental Positive: No drug dependence, but drug use within previous 12 months. Has alcohol dependence or …

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• [PDF File]WASHINGTON, D.C. 20555-0001 March 28, 2001 NRC …

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  URINE DRUG TESTING • Cocaine Benzoylecgonine remains in urine 1 – 3 days after single use • May be present up to 7 – 12 days after repeated high doses • Very low likelihood of false positives • Methamphetamine methamphetamines ( l,d-isomers) amphetamines • Tests positive up to 72 hours after last use, up to one

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• [PDF File]hronic ain Urine Drug Testing - AAFP Home

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  as potentially causing false-positives, the results should be verified through confirmatory testing (i.e. MS) or, when feasible, by providing a sample when the drug is no longer in the system. Table : Drugs Reported to Cause False-Positive Urine Drug Screen Results Y- False-positive for: Drugs Causing False-Positives Amphetamines

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• [PDF File]Drugs Implicated in False-Positive Results of Drug Screens

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  gum, Nyquil, Listerine, etc., do not cause false positive test results. ÿ One licensee laboratory reported that Klear is an effective adulterant for the marijuana metabolite but is easily detected if the specimen is tested for nitrites. Urine Luck made by Spectrum Laboratory is more difficult to detect but is also a less effective adulterant.

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• [PDF File]STIMULANTS & MARIJUANA - University of Utah

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  Case #14: Specimen Test Result: Positive for Marijuana Metabolite \⠃鐀㤀ⴀ吀䠀䌀䄀尩–60 ng/mL and Cocaine Metabolite \⠀䈀娀䔀尩–120 ng/mL,\ഠpage 19 Case #15: Specimen Test Result: Substituted Creatinine = 1.5 mg/dL and Specific Gravity = 1.0005, page 20

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• [PDF File]2018 Medical Review Officer (MRO) Case Studies

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  In advance of the actual drug test, urine samples should be screened for dilution with water or addition of inhibitory substances to prevent from false positive and negative drug test results. Mostly tap water is used for sample manipulation.

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• [PDF File]Securetec – Drug testing from A – Z

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  law-enforcement agencies if the former test positive for urine cannabis with onsite urine drug testing kits used by the latter during law enforcement exercises. In such situations, the former may deny using illicit drug use and may attribute the positive urine cannabis test to the Efavirenz they are taking while the latter, because of the

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• [PDF File]Efavirenz does not cause false-positive urine cannabis ...

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  antiviral causes false positive with THC. Over $282 million sold in 2003. New DrugCheck® THC does not cross-react. EFFEXOR may cause a false positive with PCP. Over $2 billion sold in 2003. ZOLOFT (sertraline) may cause a false positive for BZD. Over $2.5 billion sold in 2003. PHENTERMINE (Pro-Fast, Teramine) may cause a positive result with ...

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• [PDF File]DRUG TESTING WELFARE RECIPIENTS--FALSE POSITIVES, …

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  Urine Drug Testing, page 2. HOP16091451. Urine Drug Testing for Commonly Used and Misused Drugs OPIATES. Drug Detection Time Test Order False Positive

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