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) (7) Enzyme-Linked Immunosorbent Assay (ELISA) (18) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (11) Headspace Gas Chromatography (GC) (19) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (17) Sample Type Blood (17) (-) Fluid (6) Hair (1) Meconium (1) (-) Plasma (1) Serum or Plasma (14) (-) Tissue (4) Urine (13) Test Area Drugs of Abuse (4) Postmortem (6) Therapeutics (1) Test Category Depressants (1) Drugs of Abuse (1) Sedative/Hypnotics (3) Therapeutics (6) Test Sub-Category Barbiturates (2) Other (9) Your search has returned no tests.