Iron Blood Test and Normal Iron Levels Chart by Age

A quick summary of iron blood test: Serum iron blood test measures how much iron inside the body. Ferritin test measures how much iron is stored inside cells. TIBC test (total iron-binding capacity) measures all proteins needed to link iron including transferrin (means the total transferring available). UIBC test (unsaturated iron-binding capacity) measures how much iron for saturation of transferrin. Transferrin saturation is a calculated percentage to tell how much transferrin is full with iron. Morning iron is higher than the rest of the day’s iron levels by 30%. 67% of the body’s iron is inside hemoglobin in red blood cells, other...