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 Alkaloids (2) Alpha Blockers (1) Antibiotics (2) Anticholinergics (2) Benzodiazepines (3) Beta Blockers (1) (-) Diuretics (1) NSAIDs (1) Opiates/Opioids (6) Other (18) Tricyclic (2) Vasoconstrictors (2) Test Test Name 4540B Triamterene, Blood