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) (14) Enzymatic Assay (EZA) (1) Enzyme-Linked Immunosorbent Assay (ELISA) (4) Enzyme Immunoassay (EIA) (2) Gas Chromatography (GC) (87) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (27) Gas Chromatography/Tandem Mass Spectrometry (GC-MS/MS) (1) Headspace Gas Chromatography (GC) (68) Hematofluorometry (H) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (10) (-) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (9) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (4) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (8) Refractometer (REF) (4) Spectrophotometry (SP) (2) Sample Type Blood (13) Serum or Plasma (7) Tissue (1) Urine (13) Test Area Drugs of Abuse (1) (-) Exposure (31) (-) Impairment (3) Postmortem (9) Test Category Acids (3) Alcohols (3) Biomarkers (7) Drugs of Abuse (3) Gases (1) Industrial/Environmental Toxins (1) Other (1) Solvents (4) Volatiles (11) Test Sub-Category Carboxylic Acids (3) Cyanide (3) Drug Facilitated Sexual Assault (3) Hydrocarbons (1) Other (24) Your search has returned no tests.