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 24 Hour Urine (1) Blood (37) Fluid (1) Hair (2) (-) Nails (1) Serum or Plasma (43) Urine (25) Test Area Test Category Test Sub-Category Test Test Name 4370N Thallium, Nails