Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Hematofluorometry (H) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) (-) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (2) Sample Type (-) Blood (1) Fluid (1) Liquid (1) (-) RBCs (1) Serum or Plasma (2) Urine (1) Test Area Exposure (2) Test Category Metals/Elements (2) Test Sub-Category Trace Elements (2) Test Test Name 4844B Zinc, Blood 4844R Zinc, RBCs