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) (2) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (9) (-) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (2) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (2) Sample Type Blood (11) (-) Fluid (3) Hair (2) Nails (1) RBCs (4) Serum or Plasma (9) Tissue (2) Urine (9) Test Area Exposure (2) Therapeutics (1) Test Category Analgesics (1) Metals/Elements (2) Test Sub-Category Opiates/Opioids (1) Toxic Elements (2) Your search has returned no tests.