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) (2) Sample Type Blood (5) Fluid (2) Serum or Plasma (5) Tissue (2) (-) Urine (2) Test Area (-) Therapeutics (2) Test Category Analgesics (3) (-) Antianxiety (1) Anticholinergics (2) Antidepressants (5) (-) Antihypertensives (1) Antimicrobials (2) Antipsychotics (1) Diuretics (1) Sedative/Hypnotics (1) Stimulants (2) Test Sub-Category Benzodiazepines (1) Beta Blockers (1) Test Test Name 0483U Atenolol, Urine 8646U Alprazolam and Metabolite, Urine