Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography (GC) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (3) Sample Type Blood (2) Serum or Plasma (3) Urine (3) Test Area Diagnostic Aids (2) Drugs of Abuse (6) Test Category Analgesics (3) (-) Biomarkers (2) (-) NPS/Designer Drugs (6) Test Sub-Category (-) Opiates/Opioids (6) (-) Small Molecule (2) Your search has returned no tests.