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) (2) Sample Type Blood (1) Tissue (1) Test Area Therapeutics (2) Test Category Alcohols (3) Analgesics (5) (-) Anesthetics (2) Antiarrhythmics (5) Anticholinergics (3) Antidepressants (3) Antidiabetics (4) Antiepileptics/Antiseizures (14) Antihistamines (7) Antineoplastics (2) Antipsychotics (11) Appetite Suppressants (3) Chemicals (1) Hallucinogens (4) Herbicides (3) Immunosuppressants (3) Industrial/Environmental Toxins (2) Metals/Elements (4) Muscle Relaxants (3) NPS/Designer Drugs (4) Opiate/Opioid Antagonists (7) Other (3) Perfluorinated Compounds (4) Pesticides/Insecticides (7) Plasticizers (1) Solvents (5) Stimulants (7) Terpenes (1) Therapeutics (1) Vasodilators (4) Volatiles (12) Test Sub-Category (-) Other (2) Test Test Name 3214B Nitrous Oxide, Blood 3214TI Nitrous Oxide, Tissue