Iron is present within the body in the porphyrin complex, haem and iron storage proteins. Excess iron is usually caused by hereditary haemochromatosis. Toxicity by poisoning is now less common, but may occur due to ingestion, eg. accidental ingestion of iron tablets or industrial exposure.
|<1 μmol/24 h|
Random urine or 24 hour urine collection
Random urine: 2 mL
or 24 hour urine
Increased concentrations can be seen in haemochromatosis and proteinuria.