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) (1) Sample Type (-) Blood (1) Test Area (-) Drugs of Abuse (1) Therapeutics (3) Test Category Analgesics (1) Test Sub-Category Biomarkers (1) Cyanide (1) (-) Opiates/Opioids (1) Organochlorides (1) Other (15) Sedative-Hypnotics (1) Stimulants (1) Toxic Elements (10) Trace Elements (2) Test Test Name 4376B Thebaine, Blood