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) (1) Sample Type Blood (2) Fluid (1) Serum or Plasma (3) (-) Urine (1) Test Area Therapeutics (1) Test Category Alcohols (1) Analgesics (4) Antianxiety (1) Antidepressants (1) Antidiabetics (1) Antihypertensives (1) Antipsychotics (1) Hallucinogens (2) Immunosuppressants (1) (-) Muscle Relaxants (1) NPS/Designer Drugs (1) Sedative/Hypnotics (3) Solvents (3) Stimulants (3) Volatiles (2) Test Sub-Category Other (1) Test Test Name 2720U Metaxalone, Urine