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) (1) Spectrophotometry (SP) (1) Sample Type Blood (9) Fluid (2) Hair (1) Liquid (1) Nails (1) (-) RBCs (2) Serum or Plasma (8) Tissue (1) Urine (9) Test Area Exposure (2) Test Category (-) Biomarkers (1) (-) Metals/Elements (1) Test Sub-Category Other (1) Trace Elements (1) Test Test Name 4180R Selenium, RBCs 4235R Sulfhemoglobin, RBCs