Transferrin saturation measures the percentage of transferrin that is carrying iron. It helps assess whether too much or too little iron is being transported in the blood.
Category: Iron Studies
Also known as: transferrin saturation, tsat, iron saturation, transferrin sat, % saturation
Reference range: 20–50 % (Source: ABIM)
Standard unit: %
High values may indicate
High transferrin saturation may indicate hemochromatosis (iron overload), iron poisoning, or hemolytic anemia.
Low values may indicate
Low transferrin saturation may indicate iron deficiency anemia, chronic disease, or inadequate dietary iron intake.