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 (1) Urine (1) Test Area Therapeutics (2) Test Category Alcohols (7) Analgesics (21) Anesthetics (5) Antiarrhythmics (2) Anticholinergics (3) Antidepressants (14) Antidiabetics (2) Antiepileptics/Antiseizures (28) Antihistamines (7) Antihypertensives (9) Antimicrobials (6) Antipsychotics (9) Appetite Suppressants (3) Chemicals (1) Cholinesterase Inhibitors (3) Decongestants (11) (-) Diagnostic Aids (2) Drugs of Abuse (11) Exposure (1) Hallucinogens (15) Herbicides (2) Industrial/Environmental Toxins (1) Metals/Elements (14) NPS/Designer Drugs (2) Perfluorinated Compounds (2) Pesticides/Insecticides (3) Plasticizers (1) Sedative/Hypnotics (6) Solvents (3) Therapeutics (17) Vasodilators (3) Volatiles (10) Test Sub-Category Other (2) Test Test Name 9249B Pseudoephedrine vs Ephedrine Differentiation Screen, Blood 9249U Pseudoephedrine vs Ephedrine Differentiation Screen, Urine