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) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (1) Sample Type 24 Hour Urine (1) Blood (70) Fluid (1) Hair (3) (-) Nails (2) RBCs (4) Serum or Plasma (89) Urine (49) Test Area Test Category Test Sub-Category Test Test Name 4370N Thallium, Nails 4844N Zinc, Nails