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) (3) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (5) Sample Type Blood (17) Fluid (5) Serum or Plasma (27) Tissue (3) (-) Urine (5) Test Area Therapeutics (5) Test Category (-) Antiepileptics/Antiseizures (5) Test Sub-Category GABA Analogues (2) (-) Other (5) Your search has returned no tests.