The transferrin saturation test is calculated by measuring serum iron and transferrin levels. It indicates the amount of iron available for the body to use in hemoglobin production and other functions. High saturation may suggest iron overload or liver disease, while low saturation usually indicates iron deficiency or iron-deficiency anemia.
The transferrin saturation test measures the percentage of iron bound to the iron-carrying protein (transferrin) in the blood, indicating the body’s available iron.
Sample Type
Blood
Preparation
TAT
Results Within 4 Hours
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