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) (4) Gas Chromatography (GC) (4) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Headspace Gas Chromatography (GC) (10) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (11) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type Blood (4) Fluid (1) Serum or Plasma (2) Tissue (1) Urine (3) Test Area (-) Drugs of Abuse (5) (-) Exposure (6) Newborn Tox (1) Therapeutics (12) Test Category Anticoagulants (3) Stimulants (5) Volatiles (3) Test Sub-Category Opiates/Opioids (3) (-) Other (11) Toxic Elements (27) Your search has returned no tests.