Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography/Mass Spectrometry (GC/MS) (2) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type (-) Blood (1) Fluid (1) Oral Fluid (Saliva) (1) Serum or Plasma (1) Urine (1) Test Area Drugs of Abuse (1) Test Category Analgesics (13) Antianxiety (1) Appetite Suppressants (1) (-) Depressants (1) Exposure (1) Hallucinogens (1) Other (1) Stimulants (1) Test Sub-Category Opiates/Opioids (1) Test Test Name 8665B 6-Monoacetylmorphine - Free (Unconjugated), Blood