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 Antihypertensives (1) Mood Stabilizers (2) Test Sub-Category Amphetamines (1) Antiarrhythmics (2) Antiparasitics (1) Benzodiazepines (1) (-) Beta Blockers (1) Insecticides (1) (-) Metals/Elements (2) Other (14) Toxic Elements (2) Test Test Name 2488B Labetalol, Blood 2520B Lithium, Blood 2520R Lithium, RBCs