Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (1) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (1) Sample Type Blood (2) Fluid (1) Hair (2) Liquid (2) (-) Nails (2) RBCs (2) Serum or Plasma (2) Urine (1) Test Area Exposure (2) Test Category (-) Metals/Elements (2) Test Sub-Category Toxic Elements (1) (-) Trace Elements (2) Test Test Name 4180N Selenium, Nails 4844N Zinc, Nails