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) (3) Enzyme-Linked Immunosorbent Assay (ELISA) (6) Enzyme Immunoassay (EIA) (3) Gas Chromatography/Mass Spectrometry (GC/MS) (3) Headspace Gas Chromatography (GC) (2) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (3) Sample Type Blood (8) (-) Fluid (3) Serum or Plasma (2) Tissue (2) Umbilical Cord (1) (-) Urine (3) Test Area Drugs of Abuse (2) Postmortem (4) Test Category Analgesics (3) (-) Drugs of Abuse (2) NPS/Designer Drugs (1) (-) Therapeutics (4) Test Sub-Category Other (6) Your search has returned no tests.