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) (1) Sample Type Blood (2) (-) Fluid (2) RBCs (1) Serum or Plasma (2) Tissue (1) Urine (1) Test Area (-) Therapeutics (2) Test Category Antihypertensives (1) Mood Stabilizers (1) Test Sub-Category Antiarrhythmics (1) Benzodiazepines (1) (-) Beta Blockers (1) (-) Metals/Elements (1) Other (1) Test Test Name 2488FL Labetalol, Fluid 2520FL Lithium, Fluid