Iron is also necessary for normal muscle, bone marrow, and organ function. Iron levels that are too low or too high can cause serious health problems.Different types of iron tests include:The serum iron test determines the quantity of iron in the blood.The transferrin test analyses transferrin, a protein that transports iron throughout the body.Total iron-binding capacity (TIBC) is a measurement of how efficiently iron binds to transferrin and other proteins in the blood.The ferritin blood test determines how much iron is stored in the body.For more information, consult Aspira Diagnostics the Best Pathology Lab in Ghatkopar.