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 (1) (-) RBCs (1) (-) Serum or Plasma (1) Urine (1) Test Area Drugs of Abuse (2) (-) Exposure (3) Therapeutics (18) Test Category Metals/Elements (3) Test Sub-Category Toxic Elements (3) Test Test Name 4124B Rubidium, Blood 4124R Rubidium, RBCs 4124SP Rubidium, Serum/Plasma