How long does cocaine stay in the urine for? i had some saturday night midnight and then got called in today at work for a random drug test.

Bad luck, or choice: Cocaine and its major metabolites may be quantitated in blood, plasma or urine to monitor for abuse, confirm a diagnosis of poisoning or assist in the forensic investigation of a traffic or other criminal violation or a sudden death. Most commercial cocaine immunoassay screening tests cross-react appreciably with the major cocaine metabolites, but chromatographic techniques can easily distinguis

The detection level: varies from lab to lab. Cocaine has a fairly short half life. Another factor would be the dose you took. If they want to look for cocaine they could obtain an assay from your hair.

Days: Cocaine metabolites last generally 2-3 days but depending on how much cocaine you do and how often metabolites in urine can last a month.