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) (4) Sample Type Blood (2) Urine (2) Test Area Drugs of Abuse (7) Postmortem (2) (-) Therapeutics (4) Test Category Analgesics (25) Anesthetics (12) Antianxiety (2) Antiarrhythmics (4) Anticholinergics (6) Antidepressants (25) Antiemetics (1) Antiepileptics/Antiseizures (6) Antihistamines (3) Antihypertensives (2) Antimicrobials (1) Antipsychotics (10) Antitussives/Cough Suppressants (3) Decongestants (4) Depressants (5) (-) Diagnostic Aids (2) Muscle Relaxants (4) Sedative/Hypnotics (14) (-) Stimulants (2) Vasodilators (1) Test Sub-Category Alpha/Beta Adrenergic Agonists (1) CNS Stimulants (1) Other (2) Test Test Name 9165B Ephedrine Screen, Blood 9193U Methylphenidate and Metabolite Screen, Urine 9249B Pseudoephedrine vs Ephedrine Differentiation Screen, Blood 9249U Pseudoephedrine vs Ephedrine Differentiation Screen, Urine