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Blood vs Urine Drug Tests – Which Drug Test is Best?

By May 30, 2017 News/Info
ULTIMATE Marijuana SOBRIETY THC Drug Testing Detection Kit - 4 Pack

Have you ever wondered why a majority of home drug tests are designed for urine? We get this question often, and so we thought it would be a great idea to discuss these two methods of testing.

A blood test detects the presence of a drug in your blood, not the metabolites created by your body like a urine test. This type of test is relatively rare, because it’s much more costly to administer. The sample must be drawn in a controlled environment, such as a doctors office or clinic. It cannot be judged quickly like a urine test, and must be sent off for further analysis. The length of time for a drug to be detectable can also vary from blood to urine. For example, in blood, THC is usually detectable in 24 hours or less.

Urine tests have a couple of benefits. As we mentioned, they are much more cost effective. They are also flexible, in that they can be designed to test at different cut-off levels. For example, the gold standard for THC urine testing is 50 ng/mL. We offer a 50 ng/mL test, as well as a 20 ng and 15 ng. These sensitive tests give you a little more peace of mind before you have to go in for a mandatory lab test.