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) (3) Sample Type (-) Blood (3) Fluid (2) Serum or Plasma (3) Urine (2) Test Area Therapeutics (3) Test Category Analgesics (5) Antidepressants (1) (-) Antidiabetics (1) Antiemetics (1) Antiepileptics/Antiseizures (1) Antihypertensives (2) Antimicrobials (2) Antineoplastics (1) Antipsychotics (1) Hallucinogens (2) Immunosuppressants (1) (-) Muscle Relaxants (2) NMDA Antagonists (1) NPS/Designer Drugs (1) Sedative/Hypnotics (2) Stimulants (3) Test Sub-Category Other (3) Test Test Name 2720B Metaxalone, Blood 2740B Metformin, Blood 2900B Methocarbamol, Blood