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 (11) Hair (3) (-) Nails (2) RBCs (3) Serum or Plasma (14) Urine (13) Test Area Test Category Test Sub-Category Test Test Name 4370N Thallium, Nails 4844N Zinc, Nails