False positive amphetamine

• [DOC File]Drugs-Forum Home | Drugs-Forum

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  Substances that give False-Positives Results by Initial and Confirmatory Testing. Amphetamines (methamphetamine and amphetamine) Prescription medications that contain either D-amphetamine or racemic D,L-amphetamine include the following: Adderall Dexedrine. Benzedrine Durophet. Biphenamine Obetrol

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• [DOC File]Pathological Gambling Among Methamphetamine

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  There appeared to be no appreciable clustering around positive scores for either group. Sixteen of the non-methamphetamine group (20%) scored between 0 and 2 indicating problem gambling. Interestingly, this is not appreciably different percentage-wise from the methamphetamine group of 8 …

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• [DOC File]how to pass drug tests

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  1.3 Positive (defined): 50 nanograms of THC metabolites per milliliter. defines a "presumptive positive" by NIDA certified labs. This value was. originally 20 ng/mL, but too many false positives resulted. So the level. was raised to 100 ng/mL to reduce false positives. As of January 1995, the

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• [DOC File]Medical Review Officer Manual - SAMHSA

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  HHS instituted the following assay validation and reporting requirements that prevent the possibility of false positive methamphetamine results due to this conversion: Laboratories are required to quantitate at least 100 ng/mL amphetamine in a specimen in order to report a positive methamphetamine result.

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• [DOC File]1

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  Clinical Specificity = TN ( (TN+FP), where TN: True Negative, and FP: False Positive. Clinical Specificity = 250 ( (250+4) = 98.4% 11.2 Clinical Sensitivity: Clinical Sensitivity is defined as the probability of a positive result in the presence of the particular condition.

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• [DOC File]10-144 - Maine

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  (3) For consecutive surveys, achieve an accuracy rate on each substance of 66 2/3 % with no false positives. (4) Prior to initial licensure, achieve an 80% accuracy rate with no false positives for 2 consecutive surveys. (c) All unsatisfactory results must be investigated to determine the cause of the unsatisfactory result.

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• [DOC File]Reliability of urine drug screens: When should you consult ...

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  Bupropion metabolites produce false-positive urine amphetamine results. Clin Chem. 1995;41:955-956. 0601_NewsPath-UDS_False_Positives.doc Page 1 of 3.

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• [DOC File]Beckman Coulter Diagnostics | Beckman Coulter

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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 rates within 0.8% and 1.3% of …

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