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Leukocytes in a complete blood count (WBC, Leuk)

Leukocytes in a complete blood count (WBC, Leuk)

Name: К+31
Telephone: +7 (499) 999-31-31
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The absolute number of leukocytes reflects the protective function of the body and the state of immunity. Their norm for a healthy person is 4-9*10⁹/l. An increase in these formed elements - leukocytosis - can be physiological and pathological. Leukopenia - a decrease in the number - is often a sign of pathology. In the K+31 clinic, the best diagnostic methods, an individual treatment plan and the most advanced equipment are available to our patients.

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Physiological and pathological leukocytosis

Physiological leukocytosis is observed:

After eating or intense physical activity
Before menstruation
In the third trimester of pregnancy
In persons with harmful occupational factors

Pathological growth of leukocytes is caused by:

Most infections (usually bacterial or fungal, less often viral)
Inflammatory process
Allergic reactions
Malignant tumors of the red bone marrow and lymphoid tissue (leukemia, lymphomas)
Introduction of parasites
Injuries (physical, thermal, electrical)
Myocardial infarction

Physiological and pathological leukocytosis

Leukopenia is a consequence of:

Exhaustion of the body due to starvation, serious illness
Severe purulent-septic conditions
Viral pathology
Autoimmune processes
Immunodeficiency
Bone marrow damage due to the toxic effects of certain drugs, poisonous substances or diseases
Radiation sickness
Chemotherapy, radiation and shock antibiotic therapy
Deficiency of vitamins, minerals, protein
Lack of thyroid hormones and glucocorticoids
Some forms of anemia (for example, aplastic) and leukemia (leukopenic and aleukemic)

Leukocyte formula

For the purpose of differential diagnosis, the leukocyte formula is also determined – the relative number of different Leuk representatives:

Basophils
Eosinophils
Band neutrophils
Segmented neutrophils
Lymphocytes
Monocytes

Determination of WBC and their formula is an integral part of a general blood test, examined both for preventive purposes and for the diagnosis of many diseases.

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Experience 12 years

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Dubinina
Yulia Nikolaevna

Oncologist

Experience 25 years

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Feinberg
Marina Rafailovna

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Primary hematologist appointment

from 11 466 ₽

Repeated appointment with a hematologist

from 11 466 ₽

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Reviews 4

A very attentive doctor, she delved into the problem and explained everything in detail.

29.09.2025

S. Anna Pavlovna

I want to express my gratitude. Fainberg Marina Rafailovna! For professionalism and sensitive attitude towards the patient. She explained and corrected everything competently!! I recommend him, he is a wonderful doctor!!

04.07.2024

Popova Irina Yurievna

Fainberg Marina Rafailovna is an excellent doctor, an excellent specialist who in a short time reveals health problems and finds the best ways to solve them. In addition, Marina Rafailovna has a very attentive and sensitive attitude towards patients, which in our time is very valuable in the relationship between a doctor and a patient.

21.11.2022

Victoria Valentinovna Gerasimova

I want to express my gratitude to Fainberg Marina Rafailovna! Marina Rafailovna is a very professional doctor. She identified problems that other doctors had missed before. Thank you for your help, patience, warmth and kindness! I recommend this clinic and this wonderful doctor to everyone!

18.05.2018

Valentina Alekseevna M.

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Почему К+31?

К + 31 — full-cycle multidisciplinary medical centers, including the possibility of providing medical services of European quality level.

К + 31 — are leading doctors and diagnostics using high-tech equipment from world manufacturers (Karl Storz, Olympus, Siemens, Toshiba, Bausch&Lomb, Technolas, Zeiss, Topcon).

К + 31 — is ethical. The staff of K+31 clinics maintain open relationships with patients and partners. An individual approach to each patient is the basis of our service standards.

К + 31 — is modernity. On call 24/7: call center operators will answer your questions at any time and book you an appointment with doctors. Contact us by phone, through the feedback form on the website and WhatsApp.