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 (3) Fluid (1) Serum or Plasma (2) Tissue (1) Urine (2) Test Area Postmortem (2) Therapeutics (1) Test Category Antiparkinsons (1) Therapeutics (2) Test Sub-Category Alcohols (1) Anticholinergics (1) Other (1) Test Test Name 4680B Trihexyphenidyl, Blood 8043B Postmortem, Prescription Screen w/Vitreous Alcohol, Blood (Forensic) 8092B Postmortem, Prescription Drugs Screen, Blood (Forensic)