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) Test Area Therapeutics (1) Test Category (-) Stimulants (1) Test Sub-Category Alkaloids (3) (-) Alpha/Beta Adrenergic Agonists (1) CNS Stimulants (1) Other (7) Test Test Name 9165B Ephedrine Screen, Blood