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) Sample Type (-) Blood (1) Fluid (1) Serum or Plasma (2) Test Area Therapeutics (1) Test Category Antihypertensives (1) Test Sub-Category Amphetamines (1) Antiarrhythmics (2) Antiparasitics (1) Benzodiazepines (1) (-) Beta Blockers (1) Insecticides (1) Metals/Elements (1) Other (14) Toxic Elements (1) Test Test Name 2488B Labetalol, Blood