Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (4) Gas Chromatography (GC) (31) (-) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (2) Gas Chromatography/Mass Spectrometry (GC/MS) (9) (-) Headspace Gas Chromatography (GC) (8) Hematofluorometry (H) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (56) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (5) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (2) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (20) Spectrophotometry (SP) (1) Sample Type (-) Blood (6) Fluid (1) (-) Serum or Plasma (4) Urine (5) Test Area Exposure (8) Therapeutics (2) Test Category Alcohols (4) Analgesics (2) Solvents (1) Volatiles (3) Test Sub-Category Opiates/Opioids (2) Other (8) Your search has returned no tests.