Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (1) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (2) Sample Type (-) Blood (1) Fluid (1) Hair (1) Nails (1) RBCs (1) Serum or Plasma (1) Tissue (1) (-) Urine (1) Test Area Exposure (2) Test Category Analgesics (6) Anesthetics (1) Antianxiety (2) Antidepressants (8) Antidiabetics (1) Antihypertensives (3) Industrial/Environmental Toxins (1) (-) Metals/Elements (2) NPS/Designer Drugs (8) Opiate/Opioid Antagonists (5) Sedative/Hypnotics (3) Solvents (3) Stimulants (4) Vasodilators (1) Test Sub-Category Other (1) Toxic Elements (1) Test Test Name 3140B Nickel, Blood 3140U Nickel, Urine