The Multi-Drug Rapid Test Midstream for AMP /MET /COC /OPI /THC /PCP /MTD /MDMA /OXY /COT /K2 /BZO/KET/BAR/BUP/TML/6-MAM/FYL/ALC and their metabolites is a rapid, saliva screening test that can be performed without the use of an instrument. The test utilizes monoclonal antibodies to selectively detect elevated levels of specific drugs in human saliva