Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (1) Gas Chromatography (GC) (3) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (6) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (1) Sample Type Blood (9) Fluid (1) Serum or Plasma (9) (-) Tissue (1) Urine (7) Test Area Therapeutics (1) Test Category Anesthetics (1) Test Sub-Category Other (1) Test Test Name 3214TI Nitrous Oxide, Tissue