Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (4) Sample Type Blood (6) Serum or Plasma (7) Tissue (1) (-) Urine (5) Test Area Exposure (1) Therapeutics (4) Test Category Analgesics (1) Antianxiety (3) Anticholinergics (1) Antidepressants (4) Antihistamines (2) Antihypertensives (1) (-) Antitussives/Cough Suppressants (4) Diuretics (1) Drugs of Abuse (9) Drugs of Abuse, Therapeutics (3) Industrial/Environmental Toxins (2) NPS/Designer Drugs (3) Pesticides/Insecticides (1) Potassium Channel Blockers (1) Solvents (2) Stimulants (1) (-) Volatiles (1) Test Sub-Category Other (5) Test Test Name 1589U Diethylene Glycol, 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