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) (2) Sample Type Blood (3) Fluid (2) Serum or Plasma (3) (-) Urine (2) Test Area Therapeutics (2) 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) Other (1) Test Test Name 2740U Metformin, Urine 3043U Metoprolol, Urine