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) (4) Sample Type Blood (3) Serum or Plasma (4) Tissue (1) (-) Urine (4) Test Area Drugs of Abuse (2) Therapeutics (2) Test Category Acids (3) Alcohols (5) Analgesics (4) Anesthetics (1) Antianxiety (2) Antiarrhythmics (1) Anticholinergics (1) Antidepressants (4) Antidiabetics (1) Antiepileptics/Antiseizures (5) Antihistamines (2) Antihypertensives (3) Antimicrobials (3) Antipsychotics (1) (-) Antitussives/Cough Suppressants (2) Biomarkers (1) (-) Depressants (2) Emetics (1) Expectorants (1) Hallucinogens (6) Herbicides (1) Hydrocarbons (1) Laxatives (1) Metals/Elements (18) Mood Stabilizers (1) Muscle Relaxants (2) NPS/Designer Drugs (1) Pesticides/Insecticides (1) Sedative/Hypnotics (5) Solvents (4) Stimulants (2) Volatiles (7) Test Sub-Category Benzodiazepines (1) Opiates/Opioids (1) Other (2) Test Test Name 2041U Flunitrazepam and Metabolites, Urine 2276U Heroin Metabolites - Free (Unconjugated), Urine 2915U Dextro / Levo Methorphan - Total, Urine 2917U Dextromethorphan and Metabolite Ratio - Total, Urine