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 (-) Blood (2) RBCs (1) Serum or Plasma (1) Urine (1) Test Area Exposure (2) Test Category Metals/Elements (2) Test Sub-Category (-) Macrominerals (2) Toxic Elements (2) Test Test Name 3765B Phosphorus - Total, Blood 3784B Potassium - Total, Blood (Forensic)