Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (2) (-) Gas Chromatography (GC) (1) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (3) Headspace Gas Chromatography (GC) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type (-) Blood (4) Fluid (1) Serum or Plasma (3) Tissue (1) Urine (3) Test Area Drugs of Abuse (1) Postmortem (2) Therapeutics (1) Test Category Antiparkinsons (1) Drugs of Abuse (1) Therapeutics (2) Test Sub-Category Alcohols (1) Anticholinergics (1) Other (2) Test Test Name 4680B Trihexyphenidyl, Blood 8043B Postmortem, Prescription Screen w/Vitreous Alcohol, Blood (Forensic) 8092B Postmortem, Prescription Drugs Screen, Blood (Forensic) 8098B Drug Screen (GC/MS), Blood