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 (1) Test Area (-) Therapeutics (3) Test Category (-) Analgesics (3) Test Sub-Category NSAIDs (2) (-) Opiates/Opioids (3) Test Test Name 8662B Dihydrocodeine - Free (Unconjugated), Blood 8662SP Dihydrocodeine - Free (Unconjugated), Serum/Plasma 8662U Dihydrocodeine - Total (Conjugated/Unconjugated), Urine