Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (7) Sample Type Blood (2) (-) Serum or Plasma (3) Tissue (1) (-) Urine (4) Test Area Therapeutics (7) Test Category Antiarrhythmics (1) Anticholinergics (2) Antihistamines (2) (-) Antitussives/Cough Suppressants (7) Cholinesterase Inhibitors (1) Diuretics (3) Potassium Channel Blockers (2) Test Sub-Category (-) Other (7) Your search has returned no tests.