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) (1) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (2) Sample Type Blood (2) Fluid (1) Hair (1) Nails (1) (-) RBCs (1) Serum or Plasma (1) (-) Tissue (2) Urine (1) Test Area Exposure (2) Therapeutics (1) Test Category (-) Anesthetics (1) Antidepressants (1) (-) Metals/Elements (2) Stimulants (1) Test Sub-Category Other (1) Toxic Elements (2) Test Test Name 3140R Nickel, RBCs 3140TI Nickel, Tissue 3214TI Nitrous Oxide, Tissue