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) (3) Gas Chromatography (GC) (14) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Headspace Gas Chromatography (GC) (8) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (31) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (3) (-) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (1) Immunoassay (IA) (1) (-) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (5) Sample Type 24 Hour Urine (3) Blood (4) (-) Fluid (2) Hair (3) Liquid (2) Nails (2) RBCs (3) (-) Serum or Plasma (4) Tissue (2) Urine (5) Test Area Drugs of Abuse (1) Exposure (5) Test Category Metals/Elements (5) NPS/Designer Drugs (1) Test Sub-Category Opiates/Opioids (1) Toxic Elements (5) Your search has returned no tests.