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 (1) (-) Fluid (1) Serum or Plasma (1) (-) Urine (1) Test Area Therapeutics (2) Test Category Alcohols (1) Analgesics (6) Antianxiety (1) Antidepressants (1) (-) Antidiabetics (2) Antihypertensives (2) Antipsychotics (1) Hallucinogens (2) Immunosuppressants (1) Muscle Relaxants (2) NPS/Designer Drugs (1) Sedative/Hypnotics (4) Solvents (3) Stimulants (4) Volatiles (2) Test Sub-Category Other (2) Test Test Name 2740FL Metformin, Fluid 2740U Metformin, Urine