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) (3) Sample Type Blood (5) Fluid (3) Hair (1) Nails (1) (-) RBCs (2) Serum or Plasma (4) Stool (1) (-) Tissue (1) Urine (3) Test Area Exposure (3) Test Category Metals/Elements (3) Test Sub-Category CNS Stimulants (1) (-) Macrominerals (1) Opiates/Opioids (1) Other (8) Selective Serotonin Reuptake Inhibitors (SSRI) (1) (-) Toxic Elements (2) Trace Elements (1) Tricyclic (1) Test Test Name 3140R Nickel, RBCs 3140TI Nickel, Tissue 3784R Potassium - Total, RBCs