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) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (1) Sample Type Blood (64) Fluid (7) (-) RBCs (1) Serum or Plasma (64) (-) Stool (1) Tissue (5) Urine (36) Test Area (-) Exposure (2) Test Category Metals/Elements (2) Test Sub-Category Macrominerals (2) Test Test Name 3765ST Phosphorus - Total, Stool 3784R Potassium - Total, RBCs