What does high RDW SD and Total serum iron mean in blood test?

High RDW SD and Total serum iron can be caused by numerous problems.

High levels of RDW SD and Total serum iron in the blood indicate a variety of health problems. If your blood RDW SD level is between 39 fL to 46 fL and the Total serum iron level is between 40 fL to 190 mcg/dL, then your body does not have any underlying health problems. But if RDW SD and Total serum iron levels exceed these levels, you should see a doctor immediately.

Normal RDW SD range : 39 - 46 fL

Age-wise ideal RDW SD level in blood:

Age	Ideal RDW SD value
<5 years	39.73
5-10 years	40.474
10-15 years	41.232
15-20 years	42.004
20-25 years	42.79
25-30 years	43.591
30-35 years	44.407
35-40 years	45.238
40-45 years	45.222
45-50 years	45.207
50-55 years	45.191
55-60 years	45.175
60-70 years	45.159
70-80 years	45.143
80-90 years	45.988
90-100 years	45.972
>100 years	45.956

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

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

Some examples of conditions that increase or decrease RDW SD levels include:

• Thalassemia, an inherited blood disorder
• Crohn's disease
• Chronic liver disease
• An iron or vitamin deficiency
• Heart disease

If you want your blood test report to be interpreted by RDW SD specialist, you can upload your report. Our RDW SD 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 Total serum iron range : 40 - 190 mcg/dL

Age-wise ideal Total serum iron level in blood:

Age	Ideal Total serum iron value
<5 years	40.749
5-10 years	41.512
10-15 years	42.289
15-20 years	43.081
20-25 years	43.887
25-30 years	44.709
30-35 years	45.546
35-40 years	46.399
40-45 years	47.268
45-50 years	48.153
50-55 years	49.054
55-60 years	49.972
60-70 years	50.907
70-80 years	51.86
80-90 years	52.831
90-100 years	53.82
>100 years	54.828

High RDW SD and Total serum iron levels in the blood can cause a number of health problems. Your GP may recommend follow-up tests to get an important picture of your overall health and well-being. If the results are greater than 46 fL for RDW SD and more than 190 mcg/dL for Total serum iron, you may also need some follow-up tests that will help detect the underlying disease early.

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How is a blood test performed in the lab?

Depending on the symptoms you are experiencing, your doctor may order a RDW SD and Total serum iron test. In most hospitals RDW SD and Total serum iron results can be obtained within three to six hours after blood is taken. The blood is usually drawn from a vein on the inside of the elbow or the back of the hand. Drink plenty of water before your appointment. If you experience any symptoms that you are concerned about are out of the ordinary, call your doctor immediately.