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) (4) Enzyme-Linked Immunosorbent Assay (ELISA) (5) Gas Chromatography/Mass Spectrometry (GC/MS) (3) Headspace Gas Chromatography (GC) (4) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type Blood (2) (-) Fluid (4) Serum or Plasma (1) Tissue (4) Urine (2) Test Area Postmortem (3) Therapeutics (1) Test Category Analgesics (1) Therapeutics (3) Test Sub-Category (-) Other (4) Your search has returned no tests.