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

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

High levels of RDW SD and PCV in the blood indicate a variety of health problems. If your blood RDW SD level is between 39 fL to 46 fL and the PCV level is between 39 fL to 51 %, then your body does not have any underlying health problems. But if RDW SD and PCV 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	39.724
5-10 years	40.462
10-15 years	41.213
15-20 years	41.978
20-25 years	42.758
25-30 years	43.552
30-35 years	44.361
35-40 years	45.185
40-45 years	45.169
45-50 years	45.154
50-55 years	45.993
55-60 years	45.977
60-70 years	45.961
70-80 years	45.945
80-90 years	45.929
90-100 years	45.913
>100 years	45.898

*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 PCV range : 39 - 51 %

Age-wise ideal PCV level in blood:

Age	Ideal PCV value
<5 years	39.724
5-10 years	40.462
10-15 years	41.213
15-20 years	41.978
20-25 years	42.758
25-30 years	43.552
30-35 years	44.361
35-40 years	45.185
40-45 years	46.024
45-50 years	46.879
50-55 years	47.75
55-60 years	48.637
60-70 years	49.54
70-80 years	50.46
80-90 years	50.443
90-100 years	50.426
>100 years	50.408

High RDW SD and PCV 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 51 % for PCV, 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 PCV test. In most hospitals RDW SD and PCV 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.