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) (3) Gas Chromatography (GC) (9) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Gas Chromatography/Tandem Mass Spectrometry (GC-MS/MS) (1) Headspace Gas Chromatography (GC) (4) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (17) 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 (3) Fluid (3) (-) Serum or Plasma (2) Tissue (3) Urine (1) Test Area Postmortem (1) Therapeutics (1) Test Category Antihistamines (1) Therapeutics (1) Test Sub-Category Barbiturates (2) Opiates/Opioids (1) (-) Other (2) Your search has returned no tests.