This test is used to detect and confirm the presence of drug Cocaine and its metabolite in urine. Cocaine is a powerful stimulant drug made from cocoa plant. Cocaine is a potent CNS stimulant with local anesthetic ; vasoconstrictor properties. Benzolylecgonine and Ecgonine methyl esters are principal urinary metabolites. Following cocaine use, the metabolites may be detected in urine for 1 to 3 days. In chronic heavy cocaine users it may be detected for 10 to 22 days after last dose. It can be snorted or sniffed intranasally or injected intravenously or smoked with tobacco.