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 (16) (-) Fluid (2) Serum or Plasma (19) Urine (6) Test Area Drugs of Abuse (1) Exposure (2) (-) Therapeutics (2) Test Category Antidiabetics (1) Muscle Relaxants (1) Test Sub-Category Benzodiazepines (1) Beta Blockers (1) Opiates/Opioids (2) (-) Other (2) Test Test Name 2740FL Metformin, Fluid 2900FL Methocarbamol, Fluid