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[DOC File]Medical Review Officer Manual - SAMHSA
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Four samples, shown by GC/MS to contain ranitidine but no amphetamines, correctly tested negative with the new reagent, whereas they previously tested false positive. Two samples testing negative with the new reagent, and positive with the current reagent, had …
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[DOC File]4910-62U
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Article 107: Making a false official statement in signing the UPL’s urinalysis ledger acknowledging the urination process was directly observed and no tampering occurred. Article 134: False swearing by authenticating that no substitution or tampering of the urine sample occurred. Criteria for Observers: 1.
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[DOC File]Reliability of urine drug screens: When should you consult ...
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Amphetamines appear in the urine within three hours after any type of administration4, and can be detected by this Emit( assay for as long as 24-48 hours after the last dose2. The Emit® II Plus Amphetamine Assay detects both d-amphetamine and d-methamphetamine, as well as d,l-amphetamine, d,l-methamphetamine, l-amphetamine, l-methamphetamine ...
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[DOC File]Prepared By - Beckman Coulter
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A single therapeutic dose of amphetamine or methamphetamine can produce a positive urine for about 24 hours depending upon urine pH and individual metabolic differences. High-dose abusers may continue to generate positive urine specimens for 2 to 4 days after last use.
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[DOC File]Ironwood Wilson
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Amphetamines. The amphetamine group that we test for presently consists of amphetamine, methamphetamine, MDMA (its metabolite MDA). The amphetamines may result in reduced salivary excretion and produce false negative results. 3.0 URINE TESTING. Sample Requirements – 20ml of urine collected into a plain universal which must be tightly secured.
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[DOC File]Effective client abstinence monitoring via drug testing is ...
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False/positive results . Amphetamines - Includes: _____, decongestants, medication for Parkinson’s . Cocaine ... can yield false positive results for: imipramine, papaverine, rifampin. ... Urine Testing General Precautions: should be taken to ensure that a urine sample cannot be altered or diluted during the collection or procedure and that ...
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[DOC File]TESTING FOR SUBSTANCE ABUSE
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A urine specimen that is reported as adulterated, substituted, positive (for drug(s) or drug metabolite(s)), and/or invalid. Office of Drug and Alcohol Policy and Compliance (ODAPC). The office in the Office of the Secretary, DOT, that is responsible for coordinating drug and alcohol testing program matters within the Department and providing ...
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[DOC File]Bluegrass Community Hospital
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Drug Testing Reference Tables for Drug Courts. January, 2014 TABLE I. Specimen Detection Period Advantages Disadvantages URINE Provides a profile of both current and recent past substance usage - detection time generally calculated in days for most drugs (excluding alcohol).
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Frequency of false positive amphetamine screens due to bupropio…
If a physician suspects a false positive, the laboratory should be notified and the specimen should be sent for confirmatory testing. In the scenarios above, the laboratory, which performed the UDS using the EMIT II platform, was consulted. Confirmatory testing revealed that both urine drug screens were falsely positive.
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[DOC File]www.beckmancoulter.com
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Detection of amphetamines in urine is extremely dependent on urine pH, with alkaline conditions slowing excretion and acidic conditions increasing it. 3,4 Methylenedioxymethy Amphetamine (MDMA), ecstacy is a synthetic psychoactive agent which combines the properties of the other amphetamines with hallucinogenic effects.
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False positive for amphetamines in urine