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How to Perform Drug Evaluation Using Urine Samples… Conducting a urine drug test requires four steps: collection, screening, confirmation, and inspection. Urine samples are commonly used to test the existence of various drugs in a individual's system because such testing is straightforward and largely reliable. Not to mention, urine tests are a lot cheaper than other kinds - lab technicians usually aren't required.Likewise, the drug test kits used for urine screening are easy to store and they have a lengthy shelf life. Some kits come in packs with cups and gloves; they're extremely easy to use. Twelve distinct drugs can be tested through this method but there are particular drawbacks. Urine sample contamination isn't so difficult, there's simply a three-day window of discovery, and a few areas find the process embarrassing and invasive.Here is the procedure for a running a urine drug test:O A fever strip on the set container guards against substitute fraud and samples. A tamper evident is put over the specimen container and the subject is asked to first the container and so confirm that there was no fraud.O    The specimen (urine) is subsequently screened for drugs and drug metabolites. Whether there are positive outcomes, a second test is conducted to verify that. A doctor or nurse subsequently reviews the supported positives so that legitimate prescription drugs can be ruled out as contributors to the favorable outcome.O Many urine samples could be screened in the collection site and results can be understood within minutes - others are screened at a lab. Negative results are accepted as is and aren't verified or reviewed.O    Urine specimens which show the existence of drugs in the initial screening are examined again in a lab setting under two analytic methods called gas chromatography and mass spectrometry. Through gas chromatography, the several substances in the urine are split and through mass spectrometry, they're shown as negative or positive.O The lab results are then written out and contributed to the pee donor or the jurisdiction that demanded the test.Ignore about urine testsThe government has some new guidelines for drug testing that require all laboratories to perform "specimen integrity," especially for urine tests. As there is so much fraud, in that individuals simply use other people's pee to submit a drug test, the potency of evaluations comes into question. As well, labs are ordered to not search for only marijuana and other illicit drugs, but for different additives that evidence contamination (such as dilution and adulterants).…

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