What does high RDW and Hemoglobin mean in blood test?

High RDW and Hemoglobin can be caused by numerous problems.

High levels of RDW and Hemoglobin in the blood indicate a variety of health problems. If your blood RDW level is between 11.6 % to 14 % and the Hemoglobin level is between 13 % to 17 g/dL, then your body does not have any underlying health problems. But if RDW and Hemoglobin 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	12.18
5-10 years	12.789
10-15 years	13.428
15-20 years	13.394
20-25 years	13.361
25-30 years	13.328
30-35 years	13.994
35-40 years	13.959
40-45 years	13.924
45-50 years	13.889
50-55 years	13.854
55-60 years	13.82
60-70 years	13.785
70-80 years	13.75
80-90 years	13.716
90-100 years	13.682
>100 years	13.648

*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 Hemoglobin range : 13 - 17 g/dL

Age-wise ideal Hemoglobin level in blood:

Age	Ideal Hemoglobin value
<5 years	13.65
5-10 years	14.333
10-15 years	15.05
15-20 years	15.803
20-25 years	16.593
25-30 years	16.552
30-35 years	16.511
35-40 years	16.47
40-45 years	16.429
45-50 years	16.388
50-55 years	16.347
55-60 years	16.306
60-70 years	16.265
70-80 years	16.224
80-90 years	16.183
90-100 years	16.992
>100 years	16.95

High RDW and Hemoglobin 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 17 g/dL for Hemoglobin, 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 Hemoglobin test. In most hospitals RDW and Hemoglobin 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.