Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (3) Enzyme Immunoassay (EIA) (1) Gas Chromatography (GC) (3) Gas Chromatography/Mass Spectrometry (GC/MS) (5) Headspace Gas Chromatography (GC) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (8) (-) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (3) Refractometer (REF) (2) Sample Type Blood (1) Serum or Plasma (3) (-) Urine (3) Test Area Exposure (2) Therapeutics (1) Test Category Antitussives/Cough Suppressants (1) Volatiles (2) Test Sub-Category (-) Other (3) Tetracyclics (1) Your search has returned no tests.