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) Muscle Relaxants (3) Sedative/Hypnotics (3) Vasodilators (2) Test Sub-Category Other (2) Test Test Name 3214B Nitrous Oxide, Blood 3214TI Nitrous Oxide, Tissue