What causes high Ferritin and low RDW SD?

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

If your Ferritin is in between 22 ng/mL and 322 ng/mL and your RDW SD is in between 39 fL and 46 fL then you need not worry as these are the normal ranges for Ferritin and RDW SD 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	22.389
5-10 years	22.785
10-15 years	23.188
15-20 years	23.598
20-25 years	24.016
25-30 years	24.441
30-35 years	24.874
35-40 years	25.314
40-45 years	25.762
45-50 years	26.218
50-55 years	26.682
55-60 years	27.154
60-70 years	27.635
70-80 years	28.124
80-90 years	28.622
90-100 years	29.129
>100 years	29.645

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

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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 SD : 39 - 46 fL

Ideal values of RDW SD depending on age :

Age	Ideal RDW SD value
<5 years	39.69
5-10 years	40.393
10-15 years	41.108
15-20 years	41.836
20-25 years	42.576
25-30 years	43.33
30-35 years	44.097
35-40 years	44.878
40-45 years	45.672
45-50 years	45.657
50-55 years	45.643
55-60 years	45.629
60-70 years	45.615
70-80 years	45.6
80-90 years	45.586
90-100 years	45.572
>100 years	45.558

High Ferritin and low RDW SD can be caused by a lot of reasons. If you take Ferritin and RDW SD blood tests and the results are higher than 322 ng/mL for Ferritin and lower than 39 fL for RDW SD, 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 SD Tests Are Done :

If your doctor wants Ferritin and RDW SD tests on you, you may need to go through these tests. During the Ferritin and RDW SD 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 SD Test reports by your pathologist.