Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography (GC) (1) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (1) (-) Serum or Plasma (1) Test Area Therapeutics (1) Test Category Analgesics (6) Antidepressants (1) Antidiabetics (1) Antiemetics (2) (-) Antiepileptics/Antiseizures (1) Antihypertensives (2) Antimicrobials (2) Antipsychotics (1) Carbonic Anhydrase Inhibitors (1) Hallucinogens (2) Immunosuppressants (2) Muscle Relaxants (2) NMDA Antagonists (1) NPS/Designer Drugs (1) Sedative/Hypnotics (2) Stimulants (4) Test Sub-Category Other (1) Test Test Name 2950SP Methsuximide as Metabolite, Serum/Plasma