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 Serum or Plasma (1) Test Area Therapeutics (1) Test Category (-) Decongestants (1) Test Sub-Category (-) Alpha-1 Adrenergic Agonists (1) 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) Sympathomimetic Agents (3) Tetracyclics (3) Tricyclic (4) Test Test Name 3704SP Phenylephrine, Serum/Plasma