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 (1) Hair (1) Liquid (1) Nails (1) (-) RBCs (1) Serum or Plasma (1) Test Area Exposure (2) Test Category (-) Metals/Elements (2) Test Sub-Category Toxic Elements (3) (-) Trace Elements (2) Test Test Name 4180B Selenium, Blood 4180R Selenium, RBCs