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 (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (4) Sample Type Blood (1) Serum or Plasma (2) Urine (2) Test Area Drugs of Abuse (4) Therapeutics (1) Test Category Analgesics (11) Antianxiety (4) (-) Depressants (5) Drugs of Abuse (1) Sedative/Hypnotics (3) Solvents (4) Test Sub-Category (-) Benzodiazepines (1) (-) Opiates/Opioids (4) Test Test Name 2041U Flunitrazepam and Metabolites, Urine 2064SP Ethylmorphine, Serum/Plasma 2276B Heroin Metabolites - Free (Unconjugated), Blood 2276SP Heroin Metabolites - Free (Unconjugated), Serum/Plasma 2276U Heroin Metabolites - Free (Unconjugated), Urine