Transferrin is the main protein in the blood that binds to iron and transports it throughout the body. It reflects the body's capacity to transport iron.
Category: Iron Studies
Also known as: transferrin, serum transferrin, tf
Reference range: 200–360 mg/dL (Source: ABIM)
Standard unit: mg/dL
High values may indicate
High transferrin levels may indicate iron deficiency, as the body increases transferrin production to capture more available iron.
Low values may indicate
Low transferrin levels may indicate iron overload, chronic inflammation, liver disease, malnutrition, or nephrotic syndrome.