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) Gas Chromatography/Mass Spectrometry (GC/MS) (1) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (1) Sample Type Blood (1) (-) Tissue (1) (-) Urine (1) Test Area Exposure (1) Therapeutics (1) Test Category (-) Anesthetics (1) Antidepressants (1) (-) Metals/Elements (1) NPS/Designer Drugs (1) Opiate/Opioid Antagonists (3) Solvents (3) Stimulants (3) Test Sub-Category (-) Other (2) Toxic Elements (1) Test Test Name 3140U Nickel, Urine 3214TI Nitrous Oxide, Tissue