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/Optical Emission Spectrometry (ICP/OES) (1) Sample Type Blood (25) Fat (1) Fluid (1) Serum or Plasma (12) (-) Tissue (1) Urine (11) Test Area Drugs of Abuse (2) (-) Exposure (1) Therapeutics (6) Test Category Gases (1) Test Sub-Category (-) Other (1) Trace Elements (3) Test Test Name 1006TI Carbon Monoxide - Iron Ratio Profile, Tissue