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

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

High levels of RDW SD and D Dimer in the blood indicate a variety of health problems. If your blood RDW SD level is between 39 fL to 46 fL and the D Dimer level is between 0 fL to 0.51 ug/mL, then your body does not have any underlying health problems. But if RDW SD and D Dimer 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	39.722
5-10 years	40.458
10-15 years	41.207
15-20 years	41.97
20-25 years	42.747
25-30 years	43.539
30-35 years	44.345
35-40 years	45.166
40-45 years	45.15
45-50 years	45.986
50-55 years	45.971
55-60 years	45.955
60-70 years	45.939
70-80 years	45.923
80-90 years	45.907
90-100 years	45.891
>100 years	45.875

*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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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 D Dimer range : 0 - 0.51 ug/mL

Age-wise ideal D Dimer level in blood:

Age	Ideal D Dimer value
<5 years	0.112
5-10 years	0.114
10-15 years	0.116
15-20 years	0.118
20-25 years	0.12
25-30 years	0.122
30-35 years	0.124
35-40 years	0.126
40-45 years	0.128
45-50 years	0.13
50-55 years	0.132
55-60 years	0.134
60-70 years	0.136
70-80 years	0.139
80-90 years	0.142
90-100 years	0.145
>100 years	0.148

High RDW SD 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 46 fL for RDW SD 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 SD and D Dimer test. In most hospitals RDW SD 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.