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) Sample Type Blood (4) Hair (1) Liquid (1) (-) Nails (1) (-) RBCs (1) Serum or Plasma (4) Urine (5) Test Area Exposure (2) Test Category Biomarkers (1) (-) Metals/Elements (2) Test Sub-Category Trace Elements (2) Test Test Name 4180N Selenium, Nails 4180R Selenium, RBCs