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) Sample Type Blood (4) (-) RBCs (1) Serum or Plasma (6) Urine (2) Test Area Test Category Test Sub-Category Test Test Name 4844R Zinc, RBCs