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) (2) Enzyme-Linked Immunosorbent Assay (ELISA) (5) Enzyme Immunoassay (EIA) (2) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Headspace Gas Chromatography (GC) (3) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (3) Sample Type Blood (4) Fluid (2) (-) Serum or Plasma (1) (-) Tissue (2) (-) Urine (2) Test Area Postmortem (5) Test Category Analgesics (3) Drugs of Abuse (2) Drugs of Abuse, Therapeutics (2) (-) Therapeutics (5) Test Sub-Category Other (5) Your search has returned no tests.