What causes high PCV and low RDW?

High PCV and low RDW can be caused by many reasons.

If your PCV is in between 39 % and 51 % and your RDW is in between 11.6 % and 14 % then you need not worry as these are the normal ranges for PCV 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 PCV : 39 - 51 %

Ideal values of PCV depending on age :

Age	Ideal PCV value
<5 years	41.956
5-10 years	45.136
10-15 years	48.557
15-20 years	48.278
20-25 years	48
25-30 years	47.724
30-35 years	47.449
35-40 years	47.177
40-45 years	50.753
45-50 years	50.461
50-55 years	50.171
55-60 years	49.883
60-70 years	49.596
70-80 years	49.311
80-90 years	49.028
90-100 years	48.746
>100 years	48.466

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

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

• Damage to the bone marrow
• Kidney failure
• Chronic inflammatory diseases
• Excessive destruction of red blood cells
• Congenital heart disease

If you want your blood test report to be interpreted by PCV specialist, you can upload your report. Our PCV 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	12.479
5-10 years	13.425
10-15 years	13.348
15-20 years	13.272
20-25 years	13.196
25-30 years	13.12
30-35 years	13.044
35-40 years	12.969
40-45 years	13.952
45-50 years	13.872
50-55 years	13.792
55-60 years	13.712
60-70 years	13.633
70-80 years	13.554
80-90 years	13.476
90-100 years	13.398
>100 years	13.321

High PCV and low RDW can be caused by a lot of reasons. If you take PCV and RDW blood tests and the results are higher than 51 % for PCV 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 PCV and RDW Tests Are Done :

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

Medical References

• Mayo Clinic – Hematocrit test
• Cleveland Clinic – Hematocrit Test: What It Is, Levels, and High & Low Range
• MedlinePlus – Hematocrit Test