Serum iron

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Serum iron
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iron deficiency, which can cause anemia and other problems. 65% of the iron in the body is bound up in hemoglobin molecules in red blood cells. About 4% is bound up in myoglobin molecules. Around 30% of the iron in the body is stored as ferritin or hemosiderin in the spleen, the bone marrow and the liver. Small amounts of iron can be found in other molecules in cells throughout the body. None of this iron is directly accessible by testing the serum.[citation needed
]}

However, some iron is circulating in the serum. Transferrin is a molecule produced by the liver that binds one or two iron(III)

haemochromatosis.[citation needed
]

Normal values

Normal reference ranges are:

  • Serum iron:[1]
    • Men: 65 to 176 μg/dL
    • Women: 50 to 170 μg/dL
    • Newborns: 100 to 250 μg/dL
    • Children: 50 to 120 μg/dL
  • TIBC: 240–450 μg/dL [1]
  • Transferrin saturation: 20–50% [1]

μg/dL =

deciliter
.

Laboratories often use different units and "normal" may vary by population and the lab techniques used; look at the individual laboratory

reference values
to interpret a specific test (for instance, your own).

Reference ranges for blood tests, comparing blood content of iron and related compounds (shown in brown and orange) with other constituents.

See also

References

  1. ^ a b c Serum Iron Archived 2006-10-28 at the Wayback Machine. University of Illinois Medical Center. Accessed July 6, 2006.

Further reading

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