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) (-) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (3) Sample Type (-) Blood (2) Fluid (1) Hair (1) Liquid (2) Nails (1) RBCs (2) Serum or Plasma (2) (-) Urine (1) Test Area Exposure (3) Test Category Metals/Elements (3) Test Sub-Category Other (2) Toxic Elements (19) (-) Trace Elements (3) Test Test Name 4180B Selenium, Blood 4844B Zinc, Blood 4844U Zinc, Urine