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) (2) Sample Type 24 Hour Urine (1) Blood (4) Fluid (2) Hair (2) Liquid (1) Nails (1) (-) RBCs (2) Serum or Plasma (4) Stool (1) Tissue (1) Urine (2) Test Area Exposure (2) Test Category Metals/Elements (2) Test Sub-Category (-) Macrominerals (1) Other (2) (-) Toxic Elements (1) Trace Elements (2) Test Test Name 2551R Magnesium - Total, RBCs 2670R Mercury, RBCs