What causes high RBC and low Packed cell volume?

High RBC and low Packed cell volume can be caused by many reasons.

If your RBC is in between 4.5 mil/uL and 5.5 mil/uL and your Packed cell volume is in between 41 % and 49.5 % then you need not worry as these are the normal ranges for RBC and Packed cell volume respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Some examples of conditions that can increase or decrease RBC levels include:

• Sudden (acute) or chronic bleeding from the digestive tract
• Kidney failure—severe and chronic kidney diseases lead to decreased production of erythropoietin
• Bone marrow damage
• Conditions that cause red blood cells to be destroyed, such as hemolytic anemia caused by autoimmunity or defects in the red cell itself
• Chronic bleeding from the digestive tract

RBC treatment - Click to read 10 GOLDEN ARTICLES on Anemia

Normal range of RBC : 4.5 - 5.5 mil/uL

Ideal values of RBC depending on age :

Age	Ideal RBC value
<5 years	4.914
5-10 years	5.366
10-15 years	5.321
15-20 years	5.276
20-25 years	5.231
25-30 years	5.186
30-35 years	5.142
35-40 years	5.098
40-45 years	5.055
45-50 years	5.012
50-55 years	5.473
55-60 years	5.427
60-70 years	5.381
70-80 years	5.335
80-90 years	5.29
90-100 years	5.246
>100 years	5.202

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

Normal range of Packed cell volume : 41 - 49.5 %

Ideal values of Packed cell volume depending on age :

Age	Ideal Packed cell volume value
<5 years	44.772
5-10 years	48.891
10-15 years	48.477
15-20 years	48.067
20-25 years	47.66
25-30 years	47.257
30-35 years	46.857
35-40 years	46.461
40-45 years	46.067
45-50 years	45.677
50-55 years	45.29
55-60 years	49.457
60-70 years	49.038
70-80 years	48.622
80-90 years	48.21
90-100 years	47.802
>100 years	47.398

High RBC and low Packed cell volume can be caused by a lot of reasons. If you take RBC and Packed cell volume blood tests and the results are higher than 5.5 mil/uL for RBC and lower than 41 % for Packed cell volume, 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 RBC and Packed cell volume Tests Are Done :

If your doctor wants RBC and Packed cell volume tests on you, you may need to go through these tests. During the RBC and Packed cell volume 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 RBC and Packed cell volume Test reports by your pathologist.

Medical References

• MedlinePlus – Red Blood Cell (RBC) Count
• WebMD – Red Blood Cell (RBC) Count Test: Results and What They Mean
• MedlinePlus – Red Blood Cell (RBC) Indices