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 Alcohols (2) Analgesics (2) Antiarrhythmics (1) Anticholinergics (1) Antidiabetics (1) Antiepileptics/Antiseizures (3) Antihistamines (3) Antipsychotics (3) Appetite Suppressants (1) Cholinesterase Inhibitors (1) (-) Diagnostic Aids (1) Drugs of Abuse (2) Exposure (1) Hallucinogens (3) Herbicides (1) Perfluorinated Compounds (1) Solvents (1) Therapeutics (3) Vasodilators (2) Volatiles (5) Test Sub-Category (-) Other (1) Test Test Name 9249B Pseudoephedrine vs Ephedrine Differentiation Screen, Blood