Drug Advice

The Difference Between Blood vs Urine Drug Tests


Drug testing is used to detect the presence of illicit drugs in the body. In a typical examination, the analysis of biological specimens like saliva, urine, blood, hair, sweat, etc. are used in order to confirm the presence of various drugs.

Drug abuse cases have been increasing day by day, thus society has reacted in such a way to integrate more mandatory drug testing into various institutions.

As a result, different drug testing methods have been introduced to detect the presence of illegal drugs in one's sample.  The most common are urine and blood tests, which we'll discuss in this article.

Difference in the reliability of drug history

In most of the drug testing methods, a person's blood is used as the sample for drug identification.

But for better accuracy of the result, it is recommended to use urine in place of blood. One disadvantage of using urine is that it cannot provide reliable information regarding the history of drug abuse.

On the other hand, blood drug tests can provide the lab technicians with the details of a person's drug history. By analyzing the blog, the test can accurately prove if a person is under the influence of the banned drugs for a significant period of time or not.

Some experts are of the view that even the blood drug testing fails to produce an accurate result when it comes to exhuming the history of drug abuse of a typical individual.

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Transparency between blood and urine tests

In spite of being a lesser choice, blood is used as a sample in many labs. Apart from discovering the history of drug addiction, the blood drug test leaves no scope for the addicted to resort to any sort of trick.

As privacy is not a requirement to collect the sample, so cheating is not possible in this case.

On the other hand, though urine testing is a much superior choice, still the possibility of cheating cannot be overruled.

Truly speaking, the risk of cheating is very high as it is fairly easy to do so with the synthetic urine products on the market.



Cost difference between the two methods

Urine test is very inexpensive compared to all the other drug testing purple capped vialsmethods.

Urine tests using the drug screening kits available today in the market are extremely easy to use. They provide accurate and reliable results within minutes. However, the sample collection process is considered to be invasive in few instances.

Blood test is a bit expensive because of the accuracy it provides.  For example, the amount of drug intake can also be known by this method. This test is to be done by a qualified technician as one has to take care while collecting the sample.

The accuracy of the result is not only dependent on the mode of testing but also on the efficiency of the sample collectors and analysts. Even minor mishandling may lead to an inaccurate result.

Therefore, it is very important for the lab technicians to be fully aware of the nitty-gritty of every drug testing method.

Proper collection, precise analysis, and random notification are three important factors that influence the degree of accuracy of the test result.

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