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) (5) Enzyme Immunoassay (EIA) (2) Gas Chromatography/Mass Spectrometry (GC/MS) (5) Headspace Gas Chromatography (GC) (3) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (1) Sample Type Blood (8) Fluid (4) Serum or Plasma (4) (-) Tissue (3) (-) Urine (4) Test Area Drugs of Abuse (2) Postmortem (4) Therapeutics (1) Test Category Drugs of Abuse (2) Muscle Relaxants (1) Therapeutics (4) Test Sub-Category (-) Other (7) Your search has returned no tests.