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