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) (7) Gas Chromatography (GC) (41) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (14) (-) Headspace Gas Chromatography (GC) (29) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (4) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) Refractometer (REF) (2) Sample Type Blood (20) Fluid (1) Serum or Plasma (7) Tissue (4) Urine (10) Test Area Drugs of Abuse (1) Exposure (41) Test Category (-) Acids (3) Alcohols (17) Antiepileptics/Antiseizures (3) Biomarkers (4) Depressants (8) Diagnostic Aids (2) Drugs of Abuse (14) Drugs of Abuse, Therapeutics (15) Exposure (1) Gases (1) Industrial/Environmental Toxins (1) NPS/Designer Drugs (1) Other (3) Solvents (21) Therapeutics (13) (-) Volatiles (39) Test Sub-Category Carboxylic Acids (3) Other (39) Your search has returned no tests.