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) (4) Enzyme Immunoassay (EIA) (4) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Headspace Gas Chromatography (GC) (4) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (2) Sample Type Blood (6) Fluid (2) Serum or Plasma (1) (-) Tissue (2) (-) Urine (4) Test Area Drugs of Abuse (2) Postmortem (4) Test Category Analgesics (1) Drugs of Abuse (1) (-) Drugs of Abuse, Therapeutics (2) (-) Therapeutics (4) Test Sub-Category Other (6) Your search has returned no tests.