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 (-) Serum or Plasma (1) Urine (2) Test Area Therapeutics (1) Test Category Analgesics (16) Anesthetics (9) Antianxiety (1) Antiarrhythmics (4) Anticholinergics (4) Antidepressants (16) Antiemetics (1) Antiepileptics/Antiseizures (4) Antihistamines (3) Antihypertensives (2) Antimicrobials (1) Antipsychotics (10) (-) Antitussives/Cough Suppressants (1) Decongestants (2) Depressants (8) Diagnostic Aids (2) Hallucinogens (2) Muscle Relaxants (3) NPS/Designer Drugs (3) Other (1) Psychoactives (2) Sedative/Hypnotics (10) Stimulants (5) Vasodilators (1) Volatiles (1) Test Sub-Category Other (1) Test Test Name 9205SP Dextro / Levo Methorphan Screen, Serum/Plasma