What does high RDW and D Dimer mean in blood test?

High RDW and D Dimer can be caused by numerous problems.

High levels of RDW and D Dimer in the blood indicate a variety of health problems. If your blood RDW level is between 11.6 % to 14 % and the D Dimer level is between 0 % to 0.51 ug/mL, then your body does not have any underlying health problems. But if RDW and D Dimer 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	12.24
5-10 years	12.916
10-15 years	13.629
15-20 years	13.587
20-25 years	13.546
25-30 years	13.505
30-35 years	13.463
35-40 years	13.422
40-45 years	13.381
45-50 years	13.341
50-55 years	13.3
55-60 years	13.259
60-70 years	13.991
70-80 years	13.948
80-90 years	13.906
90-100 years	13.864
>100 years	13.821

*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 D Dimer range : 0 - 0.51 ug/mL

Age-wise ideal D Dimer level in blood:

Age	Ideal D Dimer value
<5 years	0.116
5-10 years	0.122
10-15 years	0.129
15-20 years	0.136
20-25 years	0.144
25-30 years	0.152
30-35 years	0.16
35-40 years	0.169
40-45 years	0.178
45-50 years	0.188
50-55 years	0.198
55-60 years	0.209
60-70 years	0.221
70-80 years	0.233
80-90 years	0.246
90-100 years	0.26
>100 years	0.274

High RDW and D Dimer 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 0.51 ug/mL for D Dimer, 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 D Dimer test. In most hospitals RDW and D Dimer 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.