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 (2) Liquid (2) Nails (2) (-) RBCs (2) Serum or Plasma (2) (-) Urine (1) Test Area (-) Exposure (3) Test Category Metals/Elements (3) Test Sub-Category Cyanide (1) Other (14) Toxic Elements (13) (-) Trace Elements (3) Test Test Name 4180R Selenium, RBCs 4844R Zinc, RBCs 4844U Zinc, Urine