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 (2) (-) Urine (1) Test Area Exposure (2) Test Category Anesthetics (1) Antacids (1) Antipsychotics (1) (-) Metals/Elements (2) Sedative/Hypnotics (1) Test Sub-Category Toxic Elements (2) Test Test Name 4124R Rubidium, RBCs 4124U Rubidium, Urine