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 (2) Fluid (1) (-) Serum or Plasma (2) Urine (1) Test Area Drugs of Abuse (5) (-) Therapeutics (2) Test Category Analgesics (9) Anesthetics (2) Antacids (1) Antianxiety (1) Antiarrhythmics (3) Antidepressants (3) Antidiabetics (1) Antiemetics (2) Antiepileptics/Antiseizures (2) Antihypertensives (2) Antimicrobials (2) Antineoplastics (1) Antipsychotics (2) Antithyroids (1) Carbonic Anhydrase Inhibitors (1) Immunosuppressants (2) (-) Muscle Relaxants (2) NMDA Antagonists (1) Sedative/Hypnotics (3) Stimulants (2) Test Sub-Category Other (2) Test Test Name 2720SP Metaxalone, Serum/Plasma 2900SP Methocarbamol, Serum/Plasma