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) (6) Enzyme-Linked Immunosorbent Assay (ELISA) (13) Enzyme Immunoassay (EIA) (3) Gas Chromatography (GC) (37) (-) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (23) Headspace Gas Chromatography (GC) (17) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (66) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (3) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (10) Spectrophotometry (SP) (1) Sample Type Blood (1) Test Area Test Category Test Sub-Category Test Test Name 8723B Pentazocine, Blood