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 (4) Hair (1) (-) RBCs (2) Serum or Plasma (4) Urine (4) Test Area Test Category Test Sub-Category Test Test Name 4180R Selenium, RBCs 4235R Sulfhemoglobin, RBCs