What causes high WBC and low Hematocrit?

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

If your WBC is in between 4 thou/uL and 11 thou/uL and your Hematocrit is in between 40 % and 50 % then you need not worry as these are the normal ranges for WBC and Hematocrit 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	4.042
5-10 years	4.084
10-15 years	4.126
15-20 years	4.169
20-25 years	4.212
25-30 years	4.256
30-35 years	4.3
35-40 years	4.345
40-45 years	4.39
45-50 years	4.436
50-55 years	4.482
55-60 years	4.529
60-70 years	4.576
70-80 years	4.624
80-90 years	4.672
90-100 years	4.721
>100 years	4.77

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

Normal range of Hematocrit : 40 - 50 %

Ideal values of Hematocrit depending on age :

Age	Ideal Hematocrit value
<5 years	40.416
5-10 years	40.836
10-15 years	41.261
15-20 years	41.69
20-25 years	42.124
25-30 years	42.562
30-35 years	43.005
35-40 years	43.452
40-45 years	43.904
45-50 years	44.361
50-55 years	44.822
55-60 years	45.288
60-70 years	45.759
70-80 years	46.235
80-90 years	46.716
90-100 years	47.202
>100 years	47.693

High WBC and low Hematocrit can be caused by a lot of reasons. If you take WBC and Hematocrit blood tests and the results are higher than 11 thou/uL for WBC and lower than 40 % for Hematocrit, 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 Hematocrit Tests Are Done :

If your doctor wants WBC and Hematocrit tests on you, you may need to go through these tests. During the WBC and Hematocrit 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 Hematocrit 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