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) (-) Enzymatic Assay (EZA) (2) Gas Chromatography (GC) (6) Gas Chromatography/Mass Spectrometry (GC/MS) (5) Headspace Gas Chromatography (GC) (12) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) Refractometer (REF) (2) Sample Type Serum or Plasma (1) Urine (1) Test Area Diagnostic Aids (2) Test Category (-) Biomarkers (2) Electrolytes (2) Test Sub-Category Small Molecule (2) Your search has returned no tests.