What kinds of drugs do drug tests test for? For example, will marijuana show up in a urine test?
user
To the best of my knowledge, marijuana can be detected in urine samples for around two to four days after use. However, there’s more to drug testing than just urine.  Urine tests only check for marijuana metabolites, which are waste products produced by the body after marijuana use.
assistant
What kinds of drugs do drug tests test for? For example, will marijuana show up in a urine test?
user
Marijuana is generally not a testable substance for urine tests, because it’s relatively easy to flush your system before the test.  However, it does show up in some saliva tests, as marijuana can be detected in saliva for several hours after smoking.
assistant
What kinds of drugs do drug tests test for? For example, will marijuana show up in a urine test?