Transferrin
Transferrin is the protein that carries iron in blood. Its level helps assess iron stores and liver function.
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Normal ranges
Adults: 1.9–4.2 g/L.
Units: g/L
Causes of deviations
Low levels:
Inflammation, liver disease, protein loss, iron overload.
High levels:
Iron deficiency, pregnancy, estrogen use.
When to see a doctor
If the value is outside the range, discuss it with your doctor.
Related biomarkers
Panels
Iron panel
Conditions
Iron deficiency
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