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) Sample Type Blood (2) (-) Serum or Plasma (1) Urine (2) Test Area Therapeutics (1) Test Category (-) Antiepileptics/Antiseizures (1) Test Sub-Category Barbiturates (4) GABA Analogues (1) Other (6) (-) Succinimide (1) Test Test Name 3680SP Phensuximide, Serum/Plasma