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 (5) Analgesics (17) Anesthetics (2) Antacids (2) Antianxiety (2) Antiarrhythmics (3) Antidepressants (6) (-) Antidiabetics (2) Antiemetics (2) Antiepileptics/Antiseizures (3) Antihypertensives (3) Antimicrobials (2) Antineoplastics (1) Antipsychotics (3) Antithyroids (1) Carbonic Anhydrase Inhibitors (1) Hallucinogens (10) Herbicides (1) Immunosuppressants (3) Metals/Elements (26) Muscle Relaxants (3) NMDA Antagonists (1) NPS/Designer Drugs (2) Pesticides/Insecticides (2) Sedative/Hypnotics (6) Solvents (4) Stimulants (8) Volatiles (7) Test Sub-Category Other (2) Test Test Name 2740SP Metformin, Serum/Plasma 2740U Metformin, Urine