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 (5) (-) Fluid (1) Serum or Plasma (5) Urine (2) Test Area Therapeutics (1) Test Category Analgesics (5) Anesthetics (1) Antidepressants (3) Antiepileptics/Antiseizures (3) Antihistamines (1) (-) Antihypertensives (1) Antipsychotics (2) Hallucinogens (1) Metals/Elements (4) Pesticides/Insecticides (1) Sedative/Hypnotics (1) Stimulants (3) Volatiles (1) Test Sub-Category Beta Blockers (1) Test Test Name 3043FL Metoprolol, Fluid