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 (2) (-) Fluid (1) Serum or Plasma (2) Urine (1) Test Area (-) Therapeutics (1) Test Category Analgesics (2) Antidiabetics (1) (-) Antihypertensives (1) Muscle Relaxants (1) Sedative/Hypnotics (1) Test Sub-Category Beta Blockers (1) Test Test Name 3043FL Metoprolol, Fluid