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) (2) Sample Type Blood (10) (-) Fluid (2) Serum or Plasma (9) Urine (5) Test Area Therapeutics (2) Test Category (-) Analgesics (2) Antidepressants (1) Antiepileptics/Antiseizures (2) Antihypertensives (1) Antipsychotics (1) Sedative/Hypnotics (1) Stimulants (1) Test Sub-Category NSAIDs (1) Opiates/Opioids (1) Test Test Name 3130FL Naproxen, Fluid 3270FL Oxycodone - Free (Unconjugated), Fluid