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 Alkaloids (2) (-) Alpha Blockers (2) Antibiotics (2) Anticholinergics (2) Barbiturates (7) Benzodiazepines (4) Beta-2 Andrenergic Agonists (1) Beta Blockers (2) Cyanide (2) Diuretics (2) NSAIDs (2) Opiates/Opioids (8) Organochlorides (2) Other (48) Phenothiazines (6) Sedative-Hypnotics (2) Sulfonylureas (2) Toxic Elements (11) Tricyclic (6) Vasoconstrictors (2) Test Test Name 4329B Terazosin, Blood 4329SP Terazosin, Serum/Plasma