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 (5) Fluid (2) Hair (2) Liquid (1) Nails (1) (-) RBCs (2) Serum or Plasma (6) Stool (1) Tissue (1) Urine (5) Test Area Exposure (2) Test Category Metals/Elements (2) Test Sub-Category (-) Macrominerals (1) Metals/Elements (1) Other (1) Toxic Elements (3) (-) Trace Elements (1) Test Test Name 2551R Magnesium - Total, RBCs 2570R Manganese, RBCs