Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (1) Gas Chromatography (GC) (3) Gas Chromatography/Mass Spectrometry (GC/MS) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (6) (-) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (2) Sample Type Blood (10) Fluid (2) Hair (2) (-) Nails (1) RBCs (4) Serum or Plasma (10) (-) Tissue (1) Urine (6) Test Area Exposure (2) Test Category Metals/Elements (2) Test Sub-Category Toxic Elements (2) Test Test Name 3140N Nickel, Nails 3140TI Nickel, Tissue