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) Sample Type 24 Hour Urine (1) Blood (17) Fluid (3) (-) RBCs (1) Serum or Plasma (17) Tissue (2) Urine (12) Test Area Therapeutics (1) Test Category Mood Stabilizers (1) Test Sub-Category (-) Metals/Elements (1) Toxic Elements (1) Test Test Name 2520R Lithium, RBCs