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 (1) Antianxiety (1) (-) Antiarrhythmics (1) Anticholinergics (2) Antidepressants (2) Antiepileptics/Antiseizures (1) Antihistamines (1) Antineoplastics (1) Antipsychotics (1) (-) Antitussives/Cough Suppressants (1) Depressants (2) Diuretics (1) Muscle Relaxants (1) Sedative/Hypnotics (3) Stimulants (1) Test Sub-Category Beta Blockers (1) Other (1) Test Test Name 0585SP Benzonatate, Serum/Plasma 3227SP Beta-Blockers Panel, Serum/Plasma