CANNABINOIDS (Delta-9-THC Metabolites) / MARIJUANA, SCREEN, URINE
The principal psychoactive cannabinoid is delta – 9 – tetrahydrocannabinol (THC) which is released slowly from tissue storage sites. Infrequent smokers may test positive for 2 to 5 days after last Marijuana / Hashish use; Chronic smokers may test positive even 3 to 4 weeks after abstinence. False positive result may be seen with Ketoconazole.
No special preparation required