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 (1) (-) Serum or Plasma (1) Urine (1) Test Area Therapeutics (2) Test Category (-) Antiepileptics/Antiseizures (2) Test Sub-Category Barbiturates (6) GABA Analogues (2) Other (11) (-) Succinimide (2) Test Test Name 3680B Phensuximide, Blood 3680SP Phensuximide, Serum/Plasma