Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) (-) Gas Chromatography (GC) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (9) (-) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (4) (-) Serum or Plasma (2) Urine (4) Test Area Therapeutics (2) Test Category Antihistamines (1) Antitussives/Cough Suppressants (1) Test Sub-Category Aromatics (1) Barbiturates (1) (-) Other (2) Small Molecule (1) Test Test Name 0585SP Benzonatate, Serum/Plasma 0770SP Brompheniramine, Serum/Plasma