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) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) Sample Type Blood (1) Serum or Plasma (2) Urine (1) Test Area (-) Therapeutics (4) Test Category Antihypertensives (4) Test Sub-Category Alpha-2 Adrenergic Agonists (6) (-) Alpha-2 Adrenergic Antagonists (3) Alpha Blockers (6) Beta Blockers (28) Calcium Channel Blockers (12) Diuretics (13) Drug Facilitated Sexual Assault (3) Other (15) Thiazides (2) (-) Vasodilators (1) Your search has returned no tests.