Iron profile with transferrin saturation and serum iron concentration (serum/plasma-based)

What This Test Measures

Your blood contains iron, which is vital for making hemoglobin—the protein in red blood cells that carries oxygen. This test evaluates iron concentration in your serum or plasma, along with how much of your iron-binding protein (transferrin) is saturated with iron. These measurements help determine if you have enough iron to prevent anemia or if you’re at risk of iron overload.

Why It Matters for Your Health

Iron deficiency can lead to fatigue, weakness, or pale skin, while excessive iron storage may cause organ damage over time. This test helps doctors diagnose conditions like anemia (due to low iron) or hemochromatosis (due to high iron absorption).

Common Conditions This Test Helps Diagnose

This test is often used to check for iron deficiency anemia, which is common in pregnant women, people with heavy menstrual periods, or those with poor diets low in iron-rich foods (like red meat, spinach, or fortified cereals). It may also be used to monitor iron overload in individuals with genetic disorders or those who receive frequent blood transfusions.

When You Might Need This Test

Your doctor may recommend this test if you have symptoms like extreme tiredness, shortness of breath, pale skin, or unusual cravings for non-food items (pica). It’s also ordered before surgeries, during pregnancy, or if you have conditions like celiac disease, ulcerative colitis, or frequent blood donations.