Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Urine (1) Test Area (-) Drugs of Abuse (1) Therapeutics (8) Test Category Depressants (1) Test Sub-Category (-) Benzodiazepines (1) Biomarkers (1) Opiates/Opioids (3) Other (26) Synthetic Cathinone (3) Test Test Name 2041U Flunitrazepam and Metabolites, Urine