What causes high D Dimer and low RDW?

High D Dimer and low RDW can be caused by many reasons.

If your D Dimer is in between 0.1 ug/mL and 0.51 ug/mL and your RDW is in between 11.6 % and 14 % then you need not worry as these are the normal ranges for D Dimer 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 D Dimer : 0.1 - 0.51 ug/mL

Ideal values of D Dimer depending on age :

Age	Ideal D Dimer value
<5 years	0.113
5-10 years	0.116
10-15 years	0.12
15-20 years	0.124
20-25 years	0.128
25-30 years	0.132
30-35 years	0.136
35-40 years	0.14
40-45 years	0.144
45-50 years	0.148
50-55 years	0.153
55-60 years	0.158
60-70 years	0.163
70-80 years	0.168
80-90 years	0.173
90-100 years	0.178
>100 years	0.183

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

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

• Smoking
• Obesity
• Clotting disorder such as factor V Leiden mutation
• Antiphospholipid syndrome
• Prolonged immobility

If you want your blood test report to be interpreted by D Dimer specialist, you can upload your report. Our D Dimer 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	11.957
5-10 years	12.325
10-15 years	12.705
15-20 years	13.096
20-25 years	13.499
25-30 years	13.915
30-35 years	13.902
35-40 years	13.889
40-45 years	13.876
45-50 years	13.862
50-55 years	13.849
55-60 years	13.836
60-70 years	13.823
70-80 years	13.81
80-90 years	13.797
90-100 years	13.784
>100 years	13.771

High D Dimer and low RDW can be caused by a lot of reasons. If you take D Dimer and RDW blood tests and the results are higher than 0.51 ug/mL for D Dimer 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 D Dimer and RDW Tests Are Done :

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

Medical References

• Cleveland Clinic – D-Dimer Test: What It Is, What It Is Used For, Risks & Results
• MedlinePlus – D-Dimer Test
• WebMD – D-Dimer Test: What It Is and How It Works
• NIH – D-Dimer Test