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) (10) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (7) Headspace Gas Chromatography (GC) (10) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (9) Sample Type Blood (17) (-) Fluid (6) Hair (1) Meconium (1) (-) Plasma (1) Serum or Plasma (14) Tissue (4) Urine (31) Test Area Drugs of Abuse (3) Postmortem (3) Therapeutics (1) Test Category Depressants (1) Drugs of Abuse (1) Sedative/Hypnotics (2) Therapeutics (3) Test Sub-Category Barbiturates (1) Other (6) Your search has returned no tests.