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

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

High levels of RDW and Total serum iron in the blood indicate a variety of health problems. If your blood RDW level is between 11.6 % to 14 % and the Total serum iron level is between 40 % to 190 mcg/dL, then your body does not have any underlying health problems. But if RDW and Total serum iron levels exceed these levels, you should see a doctor immediately.

Normal RDW range : 11.6 - 14 %

Age-wise ideal RDW level in blood:

Age	Ideal RDW value
<5 years	12.264
5-10 years	12.966
10-15 years	13.708
15-20 years	13.663
20-25 years	13.619
25-30 years	13.574
30-35 years	13.529
35-40 years	13.485
40-45 years	13.441
45-50 years	13.397
50-55 years	13.353
55-60 years	13.31
60-70 years	13.266
70-80 years	13.223
80-90 years	13.979
90-100 years	13.934
>100 years	13.888

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

If you want your blood test report to be interpreted by RDW specialist, then you can upload your report. Our RDW 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 RDW levels include:

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

If you want your blood test report to be interpreted by RDW specialist, you can upload your report. Our RDW 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	42.288
5-10 years	44.707
10-15 years	47.264
15-20 years	49.968
20-25 years	52.826
25-30 years	55.848
30-35 years	59.043
35-40 years	62.42
40-45 years	65.99
45-50 years	69.765
50-55 years	73.756
55-60 years	77.975
60-70 years	82.435
70-80 years	87.15
80-90 years	92.135
90-100 years	97.405
>100 years	102.977

High RDW 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 14 % for RDW 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 and Total serum iron test. In most hospitals RDW 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.