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) (6) (-) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (1) (-) Spectrophotometry (SP) (1) Sample Type Blood (2) Hair (1) (-) Nails (1) (-) RBCs (1) Serum or Plasma (2) Urine (1) Test Area Exposure (2) Test Category Biomarkers (1) Metals/Elements (1) Test Sub-Category Other (1) Trace Elements (1) Test Test Name 4235R Sulfhemoglobin, RBCs 4844N Zinc, Nails