Complete blood count (CBC)

Health Tips

A complete blood count (CBC) is an analysis of capillary blood taken from a finger. A complete blood count gives an idea of ​​the hemogram – the cellular composition of the blood, as well as the level of hemoglobin and the erythrocyte sedimentation rate (ESR).

By changes in the general blood test, one can judge inflammation in the body, the viral or bacterial nature of the disease, the development of anemia, and many other pathological conditions. Sometimes changes in the hemogram give the first alarm signal about serious blood diseases.

Due to its relative simplicity and low cost, a complete blood count is used as a screening during routine examinations, during examinations for employment, when registering for pregnancy, to monitor the health status of people suffering from chronic diseases, as well as taking medications for a long time.

How to properly prepare for the KLA?

A general blood test is taken in the morning (preferably from 8 to 11 hours). A light (low-fat and unsweetened) breakfast is allowed at least one hour before the procedure. Butter, dairy products (cottage cheese, cheese, yogurt, etc.), sausages are excluded.

You can have a snack with a piece of white bread, fruit, washed down with water or sweetened tea. Take a snack with you to refresh your energy after the test.

If you are constantly taking any medications, tell your doctor about it.

If you have to retake a complete blood count to monitor performance, it is recommended to do this in the same laboratory.

Normal peripheral blood counts in adults

Deciphering the general blood test

Only a doctor can accurately interpret the results of a blood test. The connection with the clinical picture is very important, since an isolated change in some blood parameters is not always a pathology and may be due to the physiological state or individual characteristics of the organism.


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