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) (4) Headspace Gas Chromatography (GC) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (3) Sample Type (-) Blood (6) Fluid (3) Serum or Plasma (3) Tissue (2) Umbilical Cord (1) Urine (2) Test Area Drugs of Abuse (1) Impairment (2) Postmortem (1) Therapeutics (2) Test Category (-) Analgesics (2) (-) Drugs of Abuse (4) Therapeutics (4) Test Sub-Category Opiates/Opioids (2) Other (4) Your search has returned no tests.