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 Alcohols (3) Analgesics (6) Anesthetics (4) Antianxiety (2) Antiarrhythmics (2) Anticholinergics (4) Antidepressants (5) Antiepileptics/Antiseizures (1) Antihistamines (2) Antineoplastics (1) Antipsychotics (1) Antithrombotics (2) (-) Antitussives/Cough Suppressants (2) Benzodiazepines (2) Biomarkers (3) Depressants (6) Diuretics (1) Electrolytes (2) Metals/Elements (10) Muscle Relaxants (3) NPS/Designer Drugs (4) Plasticizers (2) Sedative/Hypnotics (11) Stimulants (2) Volatiles (3) Test Sub-Category Other (2) Test Test Name 0585SP Benzonatate, Serum/Plasma 0585U Benzonatate, Urine