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) (4) Gas Chromatography (GC) (23) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Headspace Gas Chromatography (GC) (4) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (49) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (1) Immunoassay (IA) (2) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (6) (-) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (1) Spectrofluorometry (SF) (1) Sample Type Blood (1) Hair (1) (-) Stool (1) Tissue (2) Test Area Therapeutics (1) Test Category Laxatives (1) Test Sub-Category Other (1) Your search has returned no tests.