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) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type Blood (14) Fluid (4) Serum or Plasma (17) (-) Tissue (3) Urine (11) Test Area Drugs of Abuse (3) (-) Therapeutics (3) Test Category Antihistamines (2) Antitussives/Cough Suppressants (1) Test Sub-Category Cardiac Glycosides (1) (-) Other (3) Your search has returned no tests.