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- What does iron saturation mean?
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Iron saturation or transferrin saturation is measured as a percentage.
It is calculated by dividing the amount of serum iron by total iron binding capacity (TBIC) – serum iron concentration ÷ total iron binding capacity.
A transferrin saturation percentage may indicate iron overload. Transferrin saturation is also called transferrin saturation index (TSI) or transferrin saturation percentage (TS%).Source: CDC Nutritional Report 2019.