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) (23) Enzyme Immunoassay (EIA) (5) Gas Chromatography (GC) (2) Gas Chromatography/Mass Spectrometry (GC/MS) (11) Headspace Gas Chromatography (GC) (34) (-) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (9) Sample Type Blood (5) Serum or Plasma (2) Urine (2) Test Area Impairment (4) Postmortem (5) Test Category (-) Drugs of Abuse (4) Drugs of Abuse, Therapeutics (1) NPS/Designer Drugs (1) (-) Therapeutics (5) Test Sub-Category Alcohols (2) Drug Facilitated Sexual Assault (3) Other (4) Your search has returned no tests.