Urine. Urine testing is the most popular type of test. It is simple, noninvasive, and very accurate. A part of marijuana called THC can be picked up in urine.
Are rapid urine tests accurate?
Are instant drug tests accurate? Most urine tests can be up to 99% accurate. Since they are used to screen for negative and non-negative tests, they cannot fully determine if a test is positive.28 ago 2020