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) Gas Chromatography (GC) (82) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (24) Gas Chromatography/Tandem Mass Spectrometry (GC-MS/MS) (1) Headspace Gas Chromatography (GC) (61) Hematofluorometry (H) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (11) (-) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (9) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (8) Refractometer (REF) (4) Spectrophotometry (SP) (2) Sample Type Blood (12) Serum or Plasma (6) Tissue (1) Urine (12) Test Area Drugs of Abuse (1) (-) Exposure (31) Impairment (3) Postmortem (9) Test Category Acids (3) Alcohols (3) Biomarkers (7) Gases (1) Industrial/Environmental Toxins (1) Other (1) Solvents (4) Volatiles (11) Test Sub-Category Carboxylic Acids (3) Cyanide (3) Hydrocarbons (1) Other (24) Your search has returned no tests.