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) (1) (-) Enzyme-Linked Immunosorbent Assay (ELISA) (25) Enzyme Immunoassay (EIA) (8) Gas Chromatography/Mass Spectrometry (GC/MS) (10) Headspace Gas Chromatography (GC) (16) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (4) Sample Type Blood (7) Fluid (5) Hair (2) Serum or Plasma (6) Tissue (3) Urine (2) Test Area (-) Drugs of Abuse (25) Impairment (4) Newborn Tox (1) Postmortem (24) Test Category Drugs of Abuse (14) Drugs of Abuse, Therapeutics (10) Other (1) Test Sub-Category Barbiturates (3) (-) Other (25) Your search has returned no tests.