What does high RDW SD and MCV mean in blood test?

High RDW SD and MCV can be caused by numerous problems.

High levels of RDW SD and MCV in the blood indicate a variety of health problems. If your blood RDW SD level is between 39 fL to 46 fL and the MCV level is between 83 fL to 101 fL, then your body does not have any underlying health problems. But if RDW SD and MCV 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	39.704
5-10 years	40.421
10-15 years	41.151
15-20 years	41.894
20-25 years	42.65
25-30 years	43.42
30-35 years	44.204
35-40 years	45.002
40-45 years	45.814
45-50 years	45.799
50-55 years	45.784
55-60 years	45.769
60-70 years	45.754
70-80 years	45.739
80-90 years	45.725
90-100 years	45.71
>100 years	45.695

*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 MCV range : 83 - 101 fL

Age-wise ideal MCV level in blood:

Age	Ideal MCV value
<5 years	84.498
5-10 years	86.023
10-15 years	87.576
15-20 years	89.157
20-25 years	90.766
25-30 years	92.404
30-35 years	94.072
35-40 years	95.77
40-45 years	97.499
45-50 years	99.259
50-55 years	99.227
55-60 years	99.195
60-70 years	100.985
70-80 years	100.952
80-90 years	100.919
90-100 years	100.887
>100 years	100.854

High RDW SD and MCV 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 101 fL for MCV, 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 MCV test. In most hospitals RDW SD and MCV 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.