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) (2) Sample Type Blood (3) (-) Fluid (1) Serum or Plasma (4) (-) Tissue (1) Urine (4) Test Area Therapeutics (2) Test Category Antianxiety (1) Antiarrhythmics (2) Antihistamines (4) (-) Antitussives/Cough Suppressants (1) (-) Cholinesterase Inhibitors (1) Drugs of Abuse (5) Drugs of Abuse, Therapeutics (3) Test Sub-Category Other (2) Test Test Name 1812FL Donepezil, Fluid 2915TI Dextro/Levo Methorphan, Tissue