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) (-) Fluid (1) (-) Serum or Plasma (1) (-) Urine (1) Test Area (-) Drugs of Abuse (3) Therapeutics (35) Test Category Depressants (3) Test Sub-Category Barbiturates (3) (-) Opiates/Opioids (3) Other (18) Test Test Name 8665FL 6-Monoacetylmorphine - Free (Unconjugated), Fluid 8665SP 6-Monoacetylmorphine - Free (Unconjugated), Serum/Plasma 8665U 6-Monoacetylmorphine - Free (Unconjugated), Urine