Is TIBC 391 normal, high or low? What does Total iron binding capacity level 391 mean?

📅 Medical Review Date: December 9, 2025

Your TIBC level of 391 is a Normal TIBC level.

Normal TIBC levels may indicate underlying health problems. The normal range is typically between 250 mcg/dL and 450 mcg/dL. If your levels are outside this range, it's important to speak with a healthcare provider. Consulting a doctor is recommended to determine the cause and appropriate next steps.

The normal TIBC range for men is :250 - 450 mcg/dL

Ideal values of TIBC depending on age (male) :

Age	Ideal TIBC value
<5 years	259.775
5-10 years	269.932
10-15 years	280.486
15-20 years	291.453
20-25 years	302.849
25-30 years	314.69
30-35 years	326.994
35-40 years	339.779
40-45 years	353.064
45-50 years	366.869
50-55 years	381.214
55-60 years	396.119
60-70 years	411.607
70-80 years	427.701
80-90 years	444.424
90-100 years	443.745
>100 years	443.066

*Ideal values are calculated based on our database of patient records

Misdiagnosis is more common than people think—and the consequences can be serious. Delayed treatment, unnecessary medication, or worse. If you want a second opinion on your blood work, one option is to upload it to a site like wholebodyprotocol.com, where world-class doctors review your results. They charge a small fee—around $90 (though you'll want to check the latest price as it fluctuates)—and email you a detailed report. With over 12 million people affected by misdiagnosis every year, that little bit of extra peace of mind can go a long way.

Some examples of conditions that increase or decrease TIBC levels include:

• Iron deficiency
• Iron poisoning
• Inflammation
• Chronic liver disease
• Hemochromatosis

Normal range of TIBC found among women :250-450 mcg/dL

Ideal values of TIBC depending on age (female) :

Age	Ideal TIBC value
<5 years	260.068
5-10 years	270.542
10-15 years	281.438
15-20 years	292.772
20-25 years	304.563
25-30 years	316.829
30-35 years	329.589
35-40 years	342.863
40-45 years	356.671
45-50 years	371.035
50-55 years	385.978
55-60 years	401.522
60-70 years	417.692
70-80 years	434.514
80-90 years	433.809
90-100 years	433.106
>100 years	432.403

If you take a TIBC blood test and the results are not in the normal range (250-450 mcg/dL), your physician may recommend more tests to figure out the problem. You might also get this test if your physician thinks you have some other disease.

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How the TIBC Test Is Done :

When your doctor orders a TIBC test, it involves a straightforward blood draw to measure your TIBC levels. A pathologist or lab technician will take a small sample of blood from a vein using a needle. Your TIBC test results are usually available within a few hours.

Medical References

• Cleveland Clinic – TIBC (Total Iron-Binding Capacity) Test
• WebMD – What to Know About Total Iron-Binding Capacity (TIBC) Test
• MedlinePlus – Total iron binding capacity

TIBC treatment - Click to read 10 GOLDEN ARTICLES on Anemia