Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (2) Enzyme-Linked Immunosorbent Assay (ELISA) (3) Gas Chromatography/Mass Spectrometry (GC/MS) (3) Headspace Gas Chromatography (GC) (3) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type (-) Blood (2) (-) Fluid (1) Serum or Plasma (4) (-) Tissue (1) Urine (2) Test Area Test Category Test Sub-Category Test Test Name 4680B Trihexyphenidyl, Blood 8092B Postmortem, Prescription Drugs Screen, Blood (Forensic) 8092FL Postmortem, Prescription Drugs Screen, Fluid (Forensic) 8092TI Postmortem, Prescription Drugs Screen, Tissue (Forensic)