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/Mass Spectrometry (GC/MS) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type (-) Blood (2) Serum or Plasma (2) Tissue (1) Urine (1) Test Area Therapeutics (2) Test Category Alcohols (2) Analgesics (14) (-) Anesthetics (1) Antacids (2) Antianxiety (2) Antiarrhythmics (3) Anticholinergics (1) Antidepressants (6) Antidiabetics (2) Antiepileptics/Antiseizures (8) Antihistamines (3) Antihypertensives (5) Antimicrobials (2) Antineoplastics (1) Antipsychotics (5) (-) Antispasmodics (1) Appetite Suppressants (1) Decongestants (1) Hallucinogens (1) Herbicides (1) Immunosuppressants (1) Industrial/Environmental Toxins (1) Metals/Elements (7) Muscle Relaxants (1) NPS/Designer Drugs (4) Opiate/Opioid Antagonists (2) Perfluorinated Compounds (1) Pesticides/Insecticides (2) Sedative/Hypnotics (3) Stimulants (3) Terpenes (1) Vasodilators (2) Volatiles (6) Test Sub-Category Antispasmodics (1) Other (1) Test Test Name 3214B Nitrous Oxide, Blood 3266B Oxybutynin and Metabolite, Blood