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 (2) (-) Serum or Plasma (2) Urine (1) Test Area Exposure (2) (-) Therapeutics (2) Test Category Alcohol Deterrents (1) Analgesics (2) Antianxiety (1) Antiarrhythmics (4) Anticholinergics (1) Antidepressants (4) Antiemetics (1) Antiepileptics/Antiseizures (1) Antihistamines (3) (-) Antihypertensives (2) Antileprosy Agents (1) Antithrombotics (2) Antitussives/Cough Suppressants (3) Cholinesterase Inhibitors (1) Diuretics (2) Muscle Relaxants (1) Potassium Channel Blockers (1) Stimulants (1) Vasodilators (1) Test Sub-Category Alpha Blockers (1) Calcium Channel Blockers (1) Test Test Name 1640SP Diltiazem, Serum/Plasma 1815SP Doxazosin, Serum/Plasma