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 Blockers (2) Beta Blockers (7) Calcium Channel Blockers (2) (-) Diuretics (2) Monoamine Oxidase Inhibitors (MAOI) (3) Other (3) Selective Serotonin Reuptake Inhibitors (SSRI) (5) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (3) Tetracyclics (3) Tricyclic (4) Test Test Name 3042B Metolazone, Blood 3042SP Metolazone, Serum/Plasma