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 (1) (-) Serum or Plasma (1) (-) Urine (1) Test Area (-) Therapeutics (2) Test Category Analgesics (6) Anesthetics (3) Antianxiety (2) Antiarrhythmics (2) Anticholinergics (4) Antidepressants (4) Antiepileptics/Antiseizures (1) Antihistamines (2) Antineoplastics (1) Antipsychotics (1) (-) Antitussives/Cough Suppressants (2) Depressants (4) Diuretics (1) Muscle Relaxants (2) Sedative/Hypnotics (6) Stimulants (2) Test Sub-Category Other (2) Test Test Name 0585SP Benzonatate, Serum/Plasma 0585U Benzonatate, Urine