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) (1) Sample Type (-) Blood (2) Fluid (1) Hair (1) Nails (1) RBCs (1) Serum or Plasma (1) Tissue (2) Urine (1) Test Area Exposure (1) Therapeutics (1) Test Category Analgesics (3) (-) Anesthetics (1) Antianxiety (1) Antidepressants (4) Antidiabetics (1) Antihypertensives (2) Industrial/Environmental Toxins (1) (-) Metals/Elements (1) NPS/Designer Drugs (5) Opiate/Opioid Antagonists (2) Sedative/Hypnotics (2) Stimulants (2) Vasodilators (1) Test Sub-Category Other (1) Toxic Elements (1) Test Test Name 3140B Nickel, Blood 3214B Nitrous Oxide, Blood