Iron Studies
Transferrin Saturation
The percentage of iron-binding sites on transferrin that are occupied by iron.
ironblood-countproteinnutrition
About this biomarker
Transferrin saturation combines serum iron and iron-binding capacity to show how much transferrin is carrying iron. It helps interpret iron status more clearly than serum iron alone.
Why it matters
It is commonly used in iron deficiency and iron overload evaluation.
What lower levels may suggest
Low transferrin saturation may suggest limited available iron.
What higher levels may suggest
High transferrin saturation may suggest iron overload or excess circulating iron.
Common tests
Iron studies, transferrin saturation, anemia panel
Related biomarkers
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