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) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (1) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (3) Sample Type Blood (29) (-) Fluid (3) Serum or Plasma (31) Tissue (1) Urine (12) Test Area Therapeutics (3) Test Category Analgesics (1) Antidepressants (1) Antiepileptics/Antiseizures (1) Test Sub-Category Opiates/Opioids (1) Other (2) Your search has returned no tests.