Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (1) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (2) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (2) Sample Type Blood (7) Serum or Plasma (3) (-) Tissue (1) Urine (2) Test Area Drugs of Abuse (1) (-) Exposure (1) Test Category Gases (1) Test Sub-Category Other (1) Test Test Name 1006TI Carbon Monoxide - Iron Ratio Profile, Tissue