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) (6) Sample Type Blood (3) Serum or Plasma (4) Test Area (-) Therapeutics (7) Test Category Antihypertensives (7) 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) Other (13) Thiazides (2) (-) Vasodilators (1) Your search has returned no tests.