Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme Immunoassay (EIA) (2) (-) Gas Chromatography (GC) (2) Gas Chromatography/Mass Spectrometry (GC/MS) (3) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (12) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (3) Serum or Plasma (2) (-) Urine (2) Test Area Exposure (2) (-) Therapeutics (2) Test Category Antihistamines (1) Sedative/Hypnotics (1) Test Sub-Category Barbiturates (1) Other (1) Test Test Name 0500U Barbital, Urine 0770U Brompheniramine, Urine