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 (2) Serum or Plasma (4) Tissue (1) Test Area Therapeutics (2) Test Category Antianxiety (2) (-) Antiarrhythmics (1) Antidepressants (1) Antihistamines (2) Antipsychotics (2) (-) Cholinesterase Inhibitors (1) Diagnostic Aids (1) Drugs of Abuse (3) Laxatives (1) Metals/Elements (3) Muscle Relaxants (2) Sedative/Hypnotics (1) Stimulants (1) Test Sub-Category Cardiac Glycosides (1) Other (1) Test Test Name 1615FL Digoxin, Fluid 1812FL Donepezil, Fluid