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 (4) Antidepressants (1) Antidiabetics (1) (-) Antihypertensives (1) Antipsychotics (1) Hallucinogens (2) Immunosuppressants (1) Muscle Relaxants (1) NPS/Designer Drugs (1) Sedative/Hypnotics (2) Solvents (1) Stimulants (3) Test Sub-Category Beta Blockers (1) Test Test Name 3043U Metoprolol, Urine