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) (7) Gas Chromatography/Mass Spectrometry (GC/MS) (5) Headspace Gas Chromatography (GC) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (33) (-) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (3) Refractometer (REF) (2) Sample Type Blood (4) Serum or Plasma (2) Urine (4) Test Area Exposure (3) Therapeutics (7) Test Category Antihistamines (4) Antitussives/Cough Suppressants (3) Volatiles (3) Test Sub-Category Barbiturates (3) (-) Other (10) Your search has returned no tests.