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) (3) Gas Chromatography (GC) (23) Gas Chromatography/Mass Spectrometry (GC/MS) (13) Headspace Gas Chromatography (GC) (5) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (40) (-) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (3) Spectrophotometry (SP) (3) Sample Type Blood (1) Stool (1) Tissue (1) Test Area (-) Exposure (2) (-) Therapeutics (1) Test Category Gases (2) Laxatives (1) Test Sub-Category (-) Other (3) Trace Elements (2) Your search has returned no tests.