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) (4) Enzyme-Linked Immunosorbent Assay (ELISA) (19) Enzyme Immunoassay (EIA) (15) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (6) Headspace Gas Chromatography (GC) (18) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (9) Sample Type Blood (2) (-) Fluid (4) Hair (1) (-) Serum or Plasma (1) Tissue (3) (-) Urine (1) Test Area Drugs of Abuse (1) Postmortem (5) Test Category Drugs of Abuse (1) Therapeutics (5) Test Sub-Category Other (6) Your search has returned no tests.