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) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (2) Serum or Plasma (2) (-) Urine (2) Test Area (-) Therapeutics (2) Test Category Analgesics (3) Anesthetics (2) (-) Antianxiety (1) Antiarrhythmics (1) Anticholinergics (2) Antidepressants (2) Antihistamines (1) (-) Antitussives/Cough Suppressants (1) Depressants (2) Muscle Relaxants (1) Sedative/Hypnotics (3) Stimulants (1) Test Sub-Category Other (2) Test Test Name 0585U Benzonatate, Urine 0805U Buspirone, Urine