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 (1) Analgesics (30) (-) Anesthetics (2) Antianxiety (6) Antiarrhythmics (3) Antidepressants (11) Antidiabetics (4) Antiepileptics/Antiseizures (20) Antihistamines (6) Antihypertensives (13) Antimicrobials (5) Antipsychotics (13) Antispasmodics (3) Appetite Suppressants (3) Decongestants (4) Diagnostic Aids (1) Herbicides (2) Immunosuppressants (3) NPS/Designer Drugs (10) Opiate/Opioid Antagonists (7) Other (2) Perfluorinated Compounds (4) Pesticides/Insecticides (1) Plasticizers (1) Sedative/Hypnotics (10) Solvents (3) Stimulants (11) Test Sub-Category Other (2) Test Test Name 3214B Nitrous Oxide, Blood 3214TI Nitrous Oxide, Tissue