Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (2) Enzyme Immunoassay (EIA) (2) Gas Chromatography (GC) (2) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (3) Headspace Gas Chromatography (GC) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (7) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (1) Sample Type Blood (3) Fluid (2) Serum or Plasma (2) Tissue (2) (-) Urine (3) Test Area Test Category Test Sub-Category Test Test Name 5517U Ethosuximide Confirmation (Qualitative), Urine 5546U Phensuximide Confirmation (Qualitative), Urine 8092U Postmortem, Prescription Drugs Screen, Urine (Forensic)