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 (1) Serum or Plasma (1) Test Area Therapeutics (2) Test Category (-) Antihypertensives (2) Test Sub-Category Alpha-2 Adrenergic Agonists (3) (-) Alpha Blockers (2) Calcium Channel Blockers (3) Diuretics (2) Herbicides (2) Insecticides (5) Other (8) Toxic Elements (3) Trace Elements (27) Test Test Name 1815B Doxazosin, Blood 1815SP Doxazosin, Serum/Plasma