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) (2) Sample Type Blood (1) Serum or Plasma (1) (-) Urine (2) Test Area Therapeutics (2) Test Category (-) Analgesics (2) Antihypertensives (1) Test Sub-Category (-) Opiates/Opioids (2) Test Test Name 1306U Codeine - Total (Conjugated/Unconjugated) Screen, Urine 8661U Codeine and Metabolite - Total (Conjugated/Unconjugated), Urine