What causes high WBC and low PCV?

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

If your WBC is in between 4 thou/uL and 11 thou/uL and your PCV is in between 39 % and 51 % then you need not worry as these are the normal ranges for WBC and PCV 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 WBC levels include:

• Infections, most commonly caused by bacteria and some viruses, less commonly by fungi or parasites
• Bone marrow damage
• Overwhelming infections (e.g., sepsis)
• Inflammation or inflammatory conditions such as vasculitis or inflammatory bowel disease
• Myelodysplastic syndrome

Normal range of WBC : 4 - 11 thou/uL

Ideal values of WBC depending on age :

Age	Ideal WBC value
<5 years	4.063
5-10 years	4.127
10-15 years	4.192
15-20 years	4.258
20-25 years	4.325
25-30 years	4.393
30-35 years	4.462
35-40 years	4.532
40-45 years	4.603
45-50 years	4.675
50-55 years	4.748
55-60 years	4.823
60-70 years	4.899
70-80 years	4.976
80-90 years	5.054
90-100 years	5.133
>100 years	5.214

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

Normal range of PCV : 39 - 51 %

Ideal values of PCV depending on age :

Age	Ideal PCV value
<5 years	39.612
5-10 years	40.234
10-15 years	40.866
15-20 years	41.508
20-25 years	42.16
25-30 years	42.822
30-35 years	43.494
35-40 years	44.177
40-45 years	44.871
45-50 years	45.575
50-55 years	46.291
55-60 years	47.018
60-70 years	47.756
70-80 years	48.506
80-90 years	49.268
90-100 years	50.042
>100 years	50.828

High WBC and low PCV can be caused by a lot of reasons. If you take WBC and PCV blood tests and the results are higher than 11 thou/uL for WBC and lower than 39 % for PCV, 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 WBC and PCV Tests Are Done :

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

Medical References

• MedlinePlus – White Blood Count (WBC)
• Cleveland Clinic – White Blood Cells: Types, Function & Normal Ranges
• MedlinePlus – Blood Count Tests