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) (1) Sample Type Blood (1) RBCs (1) Serum or Plasma (1) (-) Urine (1) Test Area Exposure (1) Test Category Alcohols (1) Analgesics (2) Anesthetics (1) Anticholinergics (1) Antidepressants (1) Antiepileptics/Antiseizures (2) Antihistamines (2) Antipsychotics (2) Appetite Suppressants (1) Hallucinogens (1) Immunosuppressants (1) (-) Metals/Elements (1) Muscle Relaxants (1) Opiate/Opioid Antagonists (3) Other (1) Pesticides/Insecticides (1) Plasticizers (1) Solvents (5) Stimulants (2) Volatiles (3) Test Sub-Category Macrominerals (1) (-) Other (1) Toxic Elements (3) Trace Elements (1) Test Test Name 3140U Nickel, Urine