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) (3) Sample Type Blood (2) Fluid (1) Serum or Plasma (1) (-) Urine (3) Test Area Therapeutics (3) Test Category Alcohols (2) Analgesics (7) Anesthetics (2) Antianxiety (1) Anticholinergics (2) Antidepressants (8) Antiepileptics/Antiseizures (2) Antipsychotics (3) (-) Antitussives/Cough Suppressants (2) Decongestants (2) Depressants (4) (-) Diagnostic Aids (1) Diuretics (1) Hallucinogens (1) NPS/Designer Drugs (2) Psychoactives (1) Sedative/Hypnotics (3) Stimulants (4) Test Sub-Category Other (3) Test Test Name 9205U Dextro / Levo Methorphan Screen - Total, Urine 9206U Dextrorphan / Levorphanol Screen - Total, Urine 9249U Pseudoephedrine vs Ephedrine Differentiation Screen, Urine