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) (6) Gas Chromatography/Mass Spectrometry (GC/MS) (3) Headspace Gas Chromatography (GC) (4) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (5) Sample Type Blood (4) Fluid (6) Hair (1) (-) Serum or Plasma (3) Tissue (5) Umbilical Cord (3) Urine (2) Test Area Drugs of Abuse (1) Therapeutics (2) Test Category Analgesics (2) NPS/Designer Drugs (1) Test Sub-Category Opiates/Opioids (3) Your search has returned no tests.