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) Fluid (1) RBCs (1) Serum or Plasma (1) Tissue (1) (-) Urine (1) Test Area Therapeutics (2) Test Category Anesthetics (4) Antianxiety (2) Antidiarrheals (1) Antiepileptics/Antiseizures (5) Antihistamines (3) Antihypertensives (1) Antimicrobials (2) Antipsychotics (3) Hallucinogens (4) Immunosuppressants (2) Laxatives (1) Metals/Elements (5) (-) Mood Stabilizers (2) Pesticides/Insecticides (1) Stimulants (2) Test Sub-Category Metals/Elements (2) Test Test Name 2520B Lithium, Blood 2520U Lithium, Urine