|Cocaine Urinalysis |
|Cocaine Urinalysis | Drug Testing|
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Is Cocaine Urinalysis Accurate?
Will a cocaine urinalysis determine, without a doubt, the ingestion of cocaine? This question is actually misleading. Urinalysis or urine drug tests do not test for the presence of the drug itself. When a drug is ingested, it encounters various organs and enzymes systems that break down these substances into end products called metabolites. These metabolites, in turn, travel to different parts of the body including the urine, the blood and hair. Urine drug tests, therefore, actually test for the presence of metabolites that are characteristically produced by these drugs. In the case of ingestion of cocaine, a urinalysis will result in the presence of the metabolite called benzoylecgonine. Based on the minimum cut off levels as regulated by the National Institute of Drug Abuse, a 300 nanogram level per milliliter of benzoylecgonine in the urine sample will result in positive presence of cocaine.
Then again, there are a lot of factors that will affect the presence of benzoylecgonine in urine and the amount of the metabolite that is found in your system. First of all, it will greatly depend on the amount that is ingested, the quality of the cocaine ingested and whether usage has been continuous or sporadic. Considering that urinalysis tests for metabolites, the resulting figures of the urinalysis will also be affected by the person's metabolism. It makes sense that if the person has a healthy metabolic rate, and testing was done several days or even just hours after ingestion, then perhaps the resulting figures may not be as large.
Among the many questions that are asked about cocaine urinalysis is how long the drug stays in your system. Again, this question will greatly depend on a lot of factors. Aside from the obvious amount, quality and constancy of drug use and the metabolism of the individual, other factors to consider when answering this question includes the person's drug tolerance, combination drug usage, age, sex and health. On top of this, permutations of these factors speak of a number of possibilities on accurate purging times.
Another question that arises is the possibilities of false positives and false negatives. Because of the effect that these variables play on the creation of benzoylecgonine in urine and its quantity, you may test positive without even having ingested cocaine (thus a false positive) or come out clean on the first test and be positive on the next (thus a false negative on the first test). The later instance may be due to the fact that urine concentration varies throughout the day. So if a urinalysis is done during the first urination of the day, the concentration is very high and testing at another time of the day will give you a lower urine concentration. This is one of the reasons why some people opt to "wash down" the urine by beefing up on liquid such as juice, herbal tea and the like.
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