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) (1) Enzyme-Linked Immunosorbent Assay (ELISA) (5) Gas Chromatography/Mass Spectrometry (GC/MS) (1) Headspace Gas Chromatography (GC) (2) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (3) Sample Type (-) Blood (4) (-) Fluid (1) Serum or Plasma (1) Urine (1) Test Area Drugs of Abuse (2) Impairment (2) Postmortem (1) Test Category Analgesics (2) (-) Drugs of Abuse (5) Drugs of Abuse, Therapeutics (2) Therapeutics (6) Test Sub-Category Other (5) Your search has returned no tests.