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) (2) Sample Type Blood (3) Serum or Plasma (2) (-) Urine (2) Test Area (-) Therapeutics (2) Test Category Antiepileptics/Antiseizures (2) Test Sub-Category Barbiturates (2) Beta Blockers (1) Biomarkers (1) GABA Analogues (1) Monoamine Oxidase Inhibitors (MAOI) (1) NSAIDs (1) Opiates/Opioids (3) Other (9) Selective Serotonin Reuptake Inhibitors (SSRI) (1) (-) Succinimide (2) Sympathomimetic Agents (4) Test Test Name 3680U Phensuximide, Urine 9233U Phensuximide Screen, Urine