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) (3) Spectrophotometry (SP) (1) Sample Type 24 Hour Urine (1) Blood (11) Hair (3) Nails (2) (-) RBCs (3) Serum or Plasma (14) Urine (19) Test Area Test Category Test Sub-Category Test Test Name 4180R Selenium, RBCs 4765R Vanadium, RBCs 4844R Zinc, RBCs