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 (2) Serum or Plasma (2) Urine (2) Test Area Therapeutics (2) Test Category (-) Antiepileptics/Antiseizures (2) Test Sub-Category (-) Barbiturates (1) (-) GABA Analogues (1) Other (8) Test Test Name 2143B Gabapentin, Blood 2860B Metharbital and Metabolite, Blood