What causes high Total serum iron and low RDW?

High Total serum iron and low RDW can be caused by many reasons.

If your Total serum iron is in between 40 mcg/dL and 190 mcg/dL and your RDW is in between 11.6 % and 14 % then you need not worry as these are the normal ranges for Total serum iron 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 Total serum iron : 40 - 190 mcg/dL

Ideal values of Total serum iron depending on age :

Age	Ideal Total serum iron value
<5 years	40.683
5-10 years	41.378
10-15 years	42.085
15-20 years	42.804
20-25 years	43.535
25-30 years	44.279
30-35 years	45.035
35-40 years	45.804
40-45 years	46.586
45-50 years	47.382
50-55 years	48.191
55-60 years	49.014
60-70 years	49.851
70-80 years	50.702
80-90 years	51.568
90-100 years	52.449
>100 years	53.345

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

If you want your blood test report to be interpreted by Total serum iron specialist, then you can upload your report. Our Total serum iron 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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Total serum iron treatment - Click to read 10 GOLDEN ARTICLES on Anemia

Some examples of conditions that increase or decrease Total serum iron levels include:

• Anemia
• Your body doesn’t have enough healthy red blood cells
• Iron overload
• Iron poisoning
• Gastrointestinal blood loss

If you want your blood test report to be interpreted by Total serum iron specialist, you can upload your report. Our Total serum iron 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 Total serum iron and low RDW can be caused by a lot of reasons. If you take Total serum iron and RDW blood tests and the results are higher than 190 mcg/dL for Total serum iron 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 Total serum iron and RDW Tests Are Done :

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

Medical References

• MedlinePlus – Serum iron test
• Cleveland Clinic – Iron Blood Test: What It Is & Results
• NIH – Serum iron, ferritin, transferrin, total iron binding capacity