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 Analgesics (10) (-) Anesthetics (2) Antiarrhythmics (2) Anticholinergics (3) Antidepressants (10) Antiepileptics/Antiseizures (4) Antihistamines (3) Antineoplastics (2) Herbicides (1) Muscle Relaxants (3) Other (1) Pesticides/Insecticides (7) Sedative/Hypnotics (3) Solvents (4) Terpenes (1) Vasodilators (2) Volatiles (12) Test Sub-Category Other (2) Test Test Name 3214B Nitrous Oxide, Blood 3214TI Nitrous Oxide, Tissue