Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) (-) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (2) Sample Type Blood (3) Hair (1) (-) Liquid (1) (-) Nails (1) RBCs (1) Serum or Plasma (3) Urine (4) Test Area Exposure (2) Test Category Metals/Elements (2) Test Sub-Category Trace Elements (2) Test Test Name 4180LI Selenium, Liquid 4180N Selenium, Nails