Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (1) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (2) Sample Type Blood (1) Hair (1) Liquid (1) Nails (1) (-) Serum or Plasma (1) (-) Urine (1) Test Area Exposure (2) Test Category Metals/Elements (2) Test Sub-Category Other (1) Toxic Elements (1) Test Test Name 4370SP Thallium, Serum/Plasma 4370U Thallium, Urine