Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Headspace Gas Chromatography (GC) (1) Sample Type Blood (4) (-) Fluid (2) Serum or Plasma (3) Urine (2) Test Area Drugs of Abuse (1) Therapeutics (1) Test Category Depressants (1) Muscle Relaxants (1) Test Sub-Category (-) Other (2) Your search has returned no tests.