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) Urine (1) Test Area Therapeutics (1) Test Category (-) Decongestants (1) Test Sub-Category Beta-2 Andrenergic Agonists (1) Other (1) (-) Sympathomimetic Agents (1) Test Test Name 4020SP Pseudoephedrine, Serum/Plasma