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) (5) Sample Type Blood (3) Serum or Plasma (4) Tissue (1) (-) Urine (5) Test Area Therapeutics (5) Test Category Antianxiety (3) (-) Anticholinergics (1) Antihistamines (2) (-) Antitussives/Cough Suppressants (4) Diuretics (1) Drugs of Abuse (10) Drugs of Abuse, Therapeutics (3) Industrial/Environmental Toxins (2) Potassium Channel Blockers (1) Solvents (2) Volatiles (1) Test Sub-Category (-) Other (5) Test Test Name 1575U Dicyclomine, Urine 2915U Dextro / Levo Methorphan - Total, Urine 2917U Dextromethorphan and Metabolite Ratio - Total, Urine 9205U Dextro / Levo Methorphan Screen - Total, Urine 9206U Dextrorphan / Levorphanol Screen - Total, Urine