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 (3) Serum or Plasma (2) (-) Urine (2) Test Area Therapeutics (2) Test Category Stimulants (2) Test Sub-Category (-) Alpha/Beta Adrenergic Agonists (2) Benzodiazepines (1) Biomarkers (3) Other (8) Selective Serotonin Reuptake Inhibitors (SSRI) (1) Synthetic Cathinone (1) Test Test Name 1950U Ephedrine, Urine 4023U Ephedrines Panel, Urine