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 (4) Antianxiety (1) Antidepressants (4) Antihypertensives (1) (-) Metals/Elements (2) NPS/Designer Drugs (3) Opiate/Opioid Antagonists (3) Sedative/Hypnotics (1) Solvents (3) Stimulants (3) Test Sub-Category Other (1) Toxic Elements (1) Test Test Name 3140FL Nickel, Fluid 3140U Nickel, Urine