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) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (8) Sample Type (-) Blood (5) Fluid (1) Hair (1) Serum or Plasma (3) Tissue (1) Urine (1) Test Area Therapeutics (5) Test Category (-) Analgesics (3) Antispasmodics (1) (-) Muscle Relaxants (2) Pesticides/Insecticides (1) Test Sub-Category Opiates/Opioids (3) Other (2) Your search has returned no tests.