One Step Drug of Abuse Saliva Test is a simple, direct binding immunoassay for rapid and qualitative detection methods. The test is based on the principle of competitive and restrains immunoassay for determination of drug of abuse【e. g AMP(50)/BAR950)/BUP(5)/BZO(10/50)/COC(20)/COT(50)/KET(100)/MDMA(50)/MET(50)/MOP(15/40)/MTD(30/20)/THC(12/50)/OXY(40)/PCP(10)/PPX(50)/K2(25)】 and its metabolites presence in urine.