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 (3) Serum or Plasma (4) (-) Urine (1) Test Area Therapeutics (1) Test Category Alcohols (2) Analgesics (6) Anesthetics (1) Anticholinergics (1) Antidepressants (2) Antiepileptics/Antiseizures (4) Antihistamines (1) Antihypertensives (1) Antipsychotics (1) Appetite Suppressants (1) Cholinesterase Inhibitors (1) Decongestants (4) (-) Diagnostic Aids (1) Drugs of Abuse (3) Hallucinogens (3) Metals/Elements (3) Pesticides/Insecticides (1) Plasticizers (1) Sedative/Hypnotics (2) Solvents (1) Therapeutics (3) Volatiles (2) Test Sub-Category Other (1) Test Test Name 9249U Pseudoephedrine vs Ephedrine Differentiation Screen, Urine