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) (-) Urine (1) Test Area (-) Therapeutics (1) Test Category Analgesics (6) Anesthetics (2) Antianxiety (1) Anticholinergics (2) Antidepressants (8) Antiepileptics/Antiseizures (2) Antipsychotics (2) Antitussives/Cough Suppressants (2) Decongestants (2) Depressants (1) (-) Diagnostic Aids (1) Sedative/Hypnotics (3) Stimulants (1) Test Sub-Category Other (1) Test Test Name 9249U Pseudoephedrine vs Ephedrine Differentiation Screen, Urine