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 Blood (2) Fluid (1) Serum or Plasma (2) (-) Urine (1) Test Area Therapeutics (1) Test Category Depressants (2) (-) Sedative/Hypnotics (1) Test Sub-Category (-) Benzodiazepines (1) Opiates/Opioids (1) Other (2) Synthetic Cannabinoids (1) Test Test Name 9139U Clonazepam and Metabolite Screen, Urine