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) (3) Spectrophotometry (SP) (1) Sample Type Blood (3) (-) Hair (1) Liquid (1) (-) Nails (1) (-) RBCs (1) Serum or Plasma (3) Urine (4) Test Area Exposure (3) Test Category Metals/Elements (3) Test Sub-Category Trace Elements (3) Test Test Name 4180H Selenium, Hair 4180N Selenium, Nails 4180R Selenium, RBCs