Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme Immunoassay (EIA) (7) Gas Chromatography (GC) (8) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (12) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (1) Sample Type Blood (2) Serum or Plasma (2) (-) Urine (2) Test Area Test Category Test Sub-Category Test Test Name 9272U Thebaine Screen, Urine 9326U Gamma-Hydroxybutyric Acid Screen, Urine