Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (1) (-) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (3) (-) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (2) Sample Type 24 Hour Urine (2) Blood (8) Fluid (4) (-) Hair (4) Nails (3) RBCs (5) Serum or Plasma (7) (-) Stool (1) Tissue (5) Urine (7) Test Area Exposure (4) Therapeutics (1) Test Category Laxatives (1) Metals/Elements (4) Test Sub-Category Other (1) Toxic Elements (1) Trace Elements (3) Your search has returned no tests.