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) (2) Enzymatic Assay (EZA) (1) (-) Enzyme-Linked Immunosorbent Assay (ELISA) (7) Enzyme Immunoassay (EIA) (3) Gas Chromatography (GC) (27) Gas Chromatography/Mass Spectrometry (GC/MS) (5) Gas Chromatography/Tandem Mass Spectrometry (GC-MS/MS) (1) Headspace Gas Chromatography (GC) (27) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (1) Refractometer (REF) (2) Spectrophotometry (SP) (1) Sample Type Blood (2) Fluid (2) Serum or Plasma (2) Tissue (1) Test Area Drugs of Abuse (7) Test Category Drugs of Abuse (10) (-) Drugs of Abuse, Therapeutics (7) Exposure (1) NPS/Designer Drugs (1) Therapeutics (13) Test Sub-Category Other (7) Your search has returned no tests.