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) (4) Gas Chromatography (GC) (2) Gas Chromatography/Mass Spectrometry (GC/MS) (5) Headspace Gas Chromatography (GC) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (8) Sample Type Blood (13) (-) Fluid (4) Serum or Plasma (3) Tissue (3) Urine (5) Test Area Drugs of Abuse (1) Postmortem (3) Test Category Drugs of Abuse (1) Therapeutics (3) Test Sub-Category Other (4) Your search has returned no tests.