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) Enzyme-Linked Immunosorbent Assay (ELISA) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (1) Headspace Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (18) (-) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (3) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (1) 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 Toxic Elements (2) Trace Elements (1) Test Test Name 4180B Selenium, Blood 4200B Silver, Blood 4212B Strontium, Blood