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) (2) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (5) Sample Type Blood (2) Serum or Plasma (2) Urine (1) Test Area Therapeutics (5) Test Category (-) Antiarrhythmics (2) (-) Anticholinergics (3) Antihistamines (5) Antitussives/Cough Suppressants (10) Cholinesterase Inhibitors (3) Diuretics (4) Drugs of Abuse (2) Potassium Channel Blockers (2) Test Sub-Category Cardiac Glycosides (4) (-) Other (5) Your search has returned no tests.