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) (11) Enzyme Immunoassay (EIA) (4) Gas Chromatography/Mass Spectrometry (GC/MS) (8) Headspace Gas Chromatography (GC) (6) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (5) Sample Type Blood (12) (-) Fluid (4) (-) Serum or Plasma (5) Tissue (3) (-) Urine (6) Test Area Drugs of Abuse (5) Postmortem (8) Therapeutics (2) Test Category Drugs of Abuse (5) Muscle Relaxants (2) Therapeutics (8) Test Sub-Category Other (15) Your search has returned no tests.