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) (6) Enzyme-Linked Immunosorbent Assay (ELISA) (32) Enzyme Immunoassay (EIA) (6) Gas Chromatography (GC) (23) (-) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (2) Gas Chromatography/Mass Spectrometry (GC/MS) (35) Headspace Gas Chromatography (GC) (30) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (68) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (12) Spectrophotometry (SP) (1) Sample Type Blood (1) Serum or Plasma (1) Test Area (-) Therapeutics (2) Test Category Anesthetics (2) Test Sub-Category Barbiturates (2) Your search has returned no tests.