TIBC normal range — check your value

Roughly 250 to 450 mcg/dL.

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Your TIBC test value

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TIBC

µg/dL

What TIBC measures

How much iron the blood's transport proteins could carry if fully loaded, which rises when iron is scarce.

TIBC normal range chart

ResultTIBC (µg/dL)

Below rangeBelow 250

In range250 – 450

Above range450 and above

These bands are for female, 31–45 years. Enter your age and gender above to see the bands for you. The table below shows the range for every age and gender.

TIBC normal range by age and gender

AgeMaleFemale

0–1 years250 – 400 µg/dL250 – 400 µg/dL

2–6 years250 – 450 µg/dL250 – 450 µg/dL

7–11 years250 – 450 µg/dL250 – 450 µg/dL

12–17 years250 – 450 µg/dL250 – 450 µg/dL

18–30 years250 – 450 µg/dL250 – 450 µg/dL

31–45 years250 – 450 µg/dL250 – 450 µg/dL

46–60 years250 – 450 µg/dL250 – 450 µg/dL

60 years and above250 – 450 µg/dL250 – 450 µg/dL

What a high TIBC means, and common causes

A high TIBC means the blood has lots of spare capacity to carry iron, which is the classic pattern of iron deficiency.

Common causes: Iron deficiency, pregnancy, and oestrogen or contraceptive pills.

What a low TIBC means, and common causes

A low TIBC means less spare carrying capacity, typically seen when inflammation or iron overload is present.

Common causes: Chronic inflammation or infection, malnutrition, liver disease, nephrotic syndrome, and haemochromatosis.

Frequently asked questions

Roughly 250 to 450 mcg/dL.

Iron deficiency typically shows low serum iron, high TIBC and low ferritin. Inflammation shows low iron with low or normal TIBC and normal or high ferritin.

Sharir mein iron ki kami hai, isliye khoon mein iron uthane ki jagah khaali hai.

Please note. This page explains what a number means against reference ranges for your age and gender. It does not diagnose anything, cannot see the rest of your report, and is no substitute for a doctor. If your lab’s printed range differs, your lab’s range applies.