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 (1) RBCs (1) (-) Serum or Plasma (1) (-) Urine (1) Test Area Exposure (2) Test Category Metals/Elements (2) Test Sub-Category Antibiotics (1) Anticoagulants (1) Antihistamines (2) Cannabinoids (1) Dopamine Antagonists (1) Other (9) (-) Toxic Elements (2) Test Test Name 4124SP Rubidium, Serum/Plasma 4124U Rubidium, Urine