Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) (-) Enzymatic Assay (EZA) (1) (-) Enzyme-Linked Immunosorbent Assay (ELISA) (2) (-) Gas Chromatography (GC) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (11) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (6) Fat (1) Fluid (1) Hair (1) (-) Serum or Plasma (5) Tissue (2) Urine (2) Test Area Exposure (2) Therapeutics (3) Test Category Analgesics (2) Muscle Relaxants (1) Other (1) Pesticides/Insecticides (1) Test Sub-Category Opiates/Opioids (2) Other (3) Your search has returned no tests.