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 Anesthetics (2) Antiarrhythmics (2) Anticholinergics (1) Antidepressants (2) Antiepileptics/Antiseizures (1) Antihistamines (1) Antipsychotics (2) (-) Antitussives/Cough Suppressants (1) Depressants (1) Hallucinogens (1) Muscle Relaxants (1) Sedative/Hypnotics (3) Stimulants (2) Test Sub-Category (-) Other (1) Test Test Name 9205SP Dextro / Levo Methorphan Screen, Serum/Plasma