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  2. Drug test - Wikipedia

    en.wikipedia.org/wiki/Drug_test

    Hair testing is commonly used in the USA as pre-employment drug test. The detection time for this test is roughly 3 months, which is the time, that takes head hair to grow ca. 1.5 inches, that are collected as a specimen. Longer detection times are possible with longer hair samples.

  3. Urinalysis - Wikipedia

    en.wikipedia.org/wiki/Urinalysis

    Urinalysis, a portmanteau of the words urine and analysis, [1] is a panel of medical tests that includes physical (macroscopic) examination of the urine, chemical evaluation using urine test strips, and microscopic examination.

  4. Urine test strip - Wikipedia

    en.wikipedia.org/wiki/Urine_test_strip

    The detection limit of a test is the concentration at which the test starts to turn from negative to positive. Although the detection limit may vary between urine samples, the detection limit is defined as the concentration of the analyte that results in a positive reaction in 90% of the examined urines.

  5. Ethyl glucuronide - Wikipedia

    en.wikipedia.org/wiki/Ethyl_glucuronide

    Ethyl glucuronide (EtG) is a metabolite of ethanol which is formed in the body by glucuronidation following exposure to ethanol, usually from drinking alcoholic beverages.It is used as a biomarker to test for ethanol use and to monitor alcohol abstinence in situations where drinking is prohibited, such as by the military, in alcohol treatment programs, in professional monitoring programs ...

  6. Enzyme multiplied immunoassay technique - Wikipedia

    en.wikipedia.org/wiki/Enzyme_multiplied...

    Enzyme multiplied immunoassay technique (EMIT) is a common method for qualitative and quantitative determination of therapeutic and recreational drugs and certain proteins in serum and urine. [1] It is an immunoassay in which a drug or metabolite in the sample competes with a drug/metabolite labelled with an enzyme, to bind to an antibody. The ...

  7. Quest Diagnostics raises 2024 profit and revenue forecast on ...

    www.aol.com/news/quest-diagnostics-raises-2024...

    (Reuters) - Laboratory operator Quest Diagnostics raised its 2024 profit and revenue forecast on Tuesday after beating first-quarter estimates on robust demand for its diagnostic tests.

  8. Cannabis drug testing - Wikipedia

    en.wikipedia.org/wiki/Cannabis_drug_testing

    Under the typical 50 ng/mL cutoff used for cannabis testing in the United States, an occasional or on-off user would be very unlikely to test positive beyond 3–4 days since the last use, and a chronic user would be likely to test positive much beyond 7 days all the way up to 90 days in a urine or hair sample.

  9. Urine test - Wikipedia

    en.wikipedia.org/wiki/Urine_test

    A urine test is any medical test performed on a urine specimen. The analysis of urine is a valuable diagnostic tool because its composition reflects the functioning of many body systems, particularly the kidneys and urinary system , and specimens are easy to obtain. [ 1 ]

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