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) (9) (-) Enzyme-Linked Immunosorbent Assay (ELISA) (3) Enzyme Immunoassay (EIA) (10) Gas Chromatography (GC) (9) Gas Chromatography/Mass Spectrometry (GC/MS) (8) Headspace Gas Chromatography (GC) (18) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (5) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (3) Refractometer (REF) (2) Sample Type Blood (21) Fluid (6) Serum or Plasma (7) Tissue (5) (-) Urine (3) Test Area Drugs of Abuse (1) Postmortem (2) Test Category Drugs of Abuse, Therapeutics (1) Therapeutics (2) Test Sub-Category Other (3) Your search has returned no tests.