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 (3) (-) Fluid (1) Serum or Plasma (4) Urine (1) Test Area Therapeutics (1) Test Category Alcohols (1) Analgesics (2) Antidiabetics (1) (-) Antihypertensives (1) Metals/Elements (4) Muscle Relaxants (1) Sedative/Hypnotics (1) Stimulants (1) Test Sub-Category Beta Blockers (1) Test Test Name 3043FL Metoprolol, Fluid