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 (4) (-) Depressants (1) Sedative/Hypnotics (3) Test Sub-Category (-) Benzodiazepines (1) Carboxylic Acids (5) Opiates/Opioids (4) Other (2) Test Test Name 2041U Flunitrazepam and Metabolites, Urine