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) (4) Sample Type Blood (2) Serum or Plasma (2) Test Area Therapeutics (4) Test Category (-) Analgesics (2) (-) Antihypertensives (2) Test Sub-Category Alpha-2 Adrenergic Antagonists (3) Alpha Blockers (2) Beta Blockers (7) Calcium Channel Blockers (5) (-) Diuretics (2) (-) NSAIDs (2) Opiates/Opioids (12) Other (4) Your search has returned no tests.