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) Test Category Antianxiety (1) (-) Depressants (1) Sedative/Hypnotics (1) Test Sub-Category (-) Benzodiazepines (1) Opiates/Opioids (1) Other (7) Test Test Name 2041U Flunitrazepam and Metabolites, Urine