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 (2) Serum or Plasma (2) (-) Urine (2) Test Area Therapeutics (2) Test Category (-) Stimulants (2) Test Sub-Category (-) Alkaloids (1) (-) Alpha/Beta Adrenergic Agonists (1) Test Test Name 4023U Ephedrines Panel, Urine 4380U Theobromine, Urine