Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (7) Enzyme-Linked Immunosorbent Assay (ELISA) (9) Gas Chromatography/Mass Spectrometry (GC/MS) (9) Headspace Gas Chromatography (GC) (6) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (1) Sample Type Blood (11) (-) Fluid (4) (-) Serum or Plasma (4) (-) Tissue (3) Umbilical Cord (1) Urine (6) Test Area Drugs of Abuse (2) Postmortem (8) Therapeutics (1) Test Category Antiepileptics/Antiseizures (1) Drugs of Abuse (2) Therapeutics (8) Test Sub-Category GABA Analogues (1) Other (10) Your search has returned no tests.