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) (8) Enzyme-Linked Immunosorbent Assay (ELISA) (10) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (6) Headspace Gas Chromatography (GC) (7) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (4) Sample Type Blood (3) (-) Fluid (3) Serum or Plasma (2) (-) Tissue (3) Urine (3) Test Area Postmortem (6) Test Category Therapeutics (6) Test Sub-Category Barbiturates (2) (-) Other (6) Your search has returned no tests.