What causes high Ferritin and low RDW?

High Ferritin and low RDW can be caused by many reasons.

If your Ferritin is in between 22 ng/mL and 322 ng/mL and your RDW is in between 11.6 % and 14 % then you need not worry as these are the normal ranges for Ferritin and RDW respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Normal range of Ferritin : 22 - 322 ng/mL

Ideal values of Ferritin depending on age :

Age	Ideal Ferritin value
<5 years	22.376
5-10 years	22.758
10-15 years	23.147
15-20 years	23.542
20-25 years	23.944
25-30 years	24.353
30-35 years	24.769
35-40 years	25.192
40-45 years	25.622
45-50 years	26.06
50-55 years	26.505
55-60 years	26.958
60-70 years	27.418
70-80 years	27.886
80-90 years	28.362
90-100 years	28.846
>100 years	29.339

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

If you want your blood test report to be interpreted by Ferritin specialist, then you can upload your report. Our Ferritin expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours. Upload blood test report now

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

• Iron overload or iron poisoning
• Adult Still's disease
• Liver disease
• Iron deficiency anemia
• Hemachromatosis

If you want your blood test report to be interpreted by Ferritin specialist, you can upload your report. Our Ferritin expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours. Upload blood test report now

Normal range of RDW : 11.6 - 14 %

Ideal values of RDW depending on age :

Age	Ideal RDW value
<5 years	11.798
5-10 years	12
10-15 years	12.205
15-20 years	12.413
20-25 years	12.625
25-30 years	12.841
30-35 years	13.06
35-40 years	13.283
40-45 years	13.51
45-50 years	13.741
50-55 years	13.976
55-60 years	13.972
60-70 years	13.968
70-80 years	13.964
80-90 years	13.96
90-100 years	13.955
>100 years	13.951

High Ferritin and low RDW can be caused by a lot of reasons. If you take Ferritin and RDW blood tests and the results are higher than 322 ng/mL for Ferritin and lower than 11.6 % for RDW, your physician may recommend more tests to figure out the problem. You might also get these tests if your physician thinks you have some other disease.

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How the Ferritin and RDW Tests Are Done :

If your doctor wants Ferritin and RDW tests on you, you may need to go through these tests. During the Ferritin and RDW blood tests, a pathologist will put a needle into your veins and take out a small quantity of blood. A pathologist is a physician in the medical field who thoroughly studies the causes and effects of disease. Within a few hours you will get your Ferritin and RDW Test reports by your pathologist.

Medical References

• Cleveland Clinic – Ferritin Test: Levels & Test Results
• Mayo Clinic – Ferritin test
• MedlinePlus – Ferritin Blood Test