Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (2) Sample Type Blood (2) (-) Fluid (2) RBCs (1) Serum or Plasma (2) Tissue (1) (-) Urine (1) Test Area Therapeutics (3) Test Category Anesthetics (3) Antianxiety (2) Antiepileptics/Antiseizures (3) Antihistamines (1) (-) Antihypertensives (1) Antimicrobials (1) Antipsychotics (1) Hallucinogens (2) Laxatives (1) Metals/Elements (3) (-) Mood Stabilizers (2) Stimulants (1) Test Sub-Category Beta Blockers (1) Metals/Elements (2) Test Test Name 2488FL Labetalol, Fluid 2520FL Lithium, Fluid 2520U Lithium, Urine