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 (16) Hair (1) (-) RBCs (2) Serum or Plasma (18) Tissue (1) Urine (17) Test Area Test Category Test Sub-Category Test Test Name 4180R Selenium, RBCs 4235R Sulfhemoglobin, RBCs