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) (2) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (1) Sample Type 24 Hour Urine (1) Blood (34) Fluid (3) Hair (4) Liquid (3) (-) Nails (3) RBCs (5) Serum or Plasma (30) Tissue (1) Urine (30) Test Area (-) Exposure (3) Test Category Metals/Elements (3) Test Sub-Category Toxic Elements (1) Trace Elements (2) Test Test Name 4180N Selenium, Nails 4370N Thallium, Nails 4844N Zinc, Nails