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 (1) Serum or Plasma (3) (-) Urine (1) Test Area Therapeutics (2) Test Category Alcohols (3) Analgesics (10) Antacids (1) Antianxiety (1) Antidepressants (3) (-) Antidiabetics (2) Antiepileptics/Antiseizures (1) Antihypertensives (2) Antipsychotics (1) Hallucinogens (5) Immunosuppressants (1) Metals/Elements (13) Muscle Relaxants (2) NPS/Designer Drugs (1) Pesticides/Insecticides (1) Sedative/Hypnotics (4) Solvents (4) Stimulants (5) Volatiles (5) Test Sub-Category Other (2) Test Test Name 2740FL Metformin, Fluid 2740U Metformin, Urine