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) (1) Sample Type (-) Blood (1) Serum or Plasma (1) Test Area Therapeutics (1) Test Category Antihypertensives (1) Test Sub-Category (-) Alpha Blockers (1) Benzodiazepines (2) Calcium Channel Blockers (1) Cardiac Glycosides (1) Designer Benzodiazepines (1) Herbicides (1) NSAIDs (1) Opiates/Opioids (2) Other (7) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (2) Thiazides (1) Test Test Name 1815B Doxazosin, Blood