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) (1) Enzyme-Linked Immunosorbent Assay (ELISA) (5) Gas Chromatography (GC) (2) Gas Chromatography/Mass Spectrometry (GC/MS) (1) Headspace Gas Chromatography (GC) (3) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) Sample Type Blood (6) Serum or Plasma (2) Test Area Test Category Test Sub-Category Your search has returned no tests.