Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) Sample Type Blood (1) (-) Serum or Plasma (1) (-) Urine (2) Test Area Therapeutics (3) Test Category (-) Analgesics (3) Test Sub-Category NSAIDs (1) (-) Opiates/Opioids (3) Test Test Name 1306U Codeine - Total (Conjugated/Unconjugated) Screen, Urine 8661SP Codeine and Metabolite - Free (Unconjugated), Serum/Plasma 8661U Codeine and Metabolite - Total (Conjugated/Unconjugated), Urine