How long will cocaine show up in a urine test?

Cocaine can be tested in the hair or urine, and is standard on all 5 panel drug tests. Klonapin, on the other hand is a benzodiazepine that is not typically tested on a 5 panel. You would need to order a 9 panel hair test (or urine test) to pick up benzo’s. read more

A urine level of 300 nanograms per milliliter (or 300 micrograms per liter) of benzoylecgonine is considered a positive result for cocaine use. However, these levels can vary in the same individual depending on when the test is done. read more

Cocaine, which is chemically known as benzoylmethylecgonine, typically lasts for 12 hours in the body, or up to 72 hours (three days) in the case of heavy use. This means that cocaethylene will totally be undetectable in the urine, just after three days of its last use, but there is a problem. read more