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) (3) Sample Type Blood (28) Fluid (5) Serum or Plasma (34) (-) Tissue (4) Urine (18) Test Area Drugs of Abuse (3) (-) Therapeutics (4) Test Category Antiarrhythmics (1) Antihistamines (2) Antitussives/Cough Suppressants (1) Test Sub-Category Cardiac Glycosides (1) Other (3) Your search has returned no tests.