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) (3) Enzyme-Linked Immunosorbent Assay (ELISA) (5) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (4) Headspace Gas Chromatography (GC) (3) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (6) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (2) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (1) Sample Type Blood (8) (-) Fluid (4) Serum or Plasma (5) Tissue (3) Urine (4) Test Area Postmortem (3) Therapeutics (1) Test Category Analgesics (1) Therapeutics (3) Test Sub-Category Opiates/Opioids (1) Other (3) Your search has returned no tests.