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Decryption of analyzes

Complete blood count in children: decoding results, norms, table

Chemical and physical properties, as well as blood composition are reliable indicators of various pathologies. Indicators of these studies have a high diagnostic value.

Having identified them, it is possible not only to prevent the development of serious diseases, but also to identify diseases that are in the early stages and that can be diagnosed only through a detailed study of blood in the laboratory.

Blood test in children: decoding results, norms, table

A general clinical study (clinic) of the blood is carried out in order to assess the general state of health, clarify the previously established diagnosis and establish control over the body's response to the applied therapy. Blood is taken using a special tool ("spears") from the ring finger.


Interpretation of the general blood test in children, norm, table

Table of indicators of a general blood test in a child

Indicator Child's age
novorozh. 1 month 6 months 1-2 years
Hemoglobin (Hb, g / l) 180-240 115-175 110-140 100-140
Red blood cells (RBC x10¹² / L) 3.9-5.5 2.7-4.5 3.5-4.8 3.7-5.3
Color indicator (MCHC,%) 0.85-1.15 0.85-1.15 0.85-1.15 0.75-0.96
Reticulocytes (RTC,%) 3-15 3-15 3-15 0.3-1.2
Leukocytes (WBCx10 9 / L) 8.5-24.5 6.5-13.8 5.5-12.5 6.0-17
Band (%) 1-17 0.5-4 0.5-4 0.5-4
Segmental (%) 45-80 15-45 15-45 15-45
Eosinophils (EOS,%) 1-6 0.5-7 0.5-7 0.5-7
Basophils (BAS,%) 0-1 0-1 0-1 0-1
Lymphocytes (LYM,%) 15-35 40-76 42-74 S8-72
Platelets (PLTx10 9 / L) 180-490 180-400 180-400 160-390
ESR (ESR, mm / h) 2-4 4-8 4-10 4-12

Red blood cells (RBC)

The most common name is red blood cells. They take part in gas exchange processes. They control the process of oxygen absorption by the respiratory system and its transport to other organs, systems and tissues. The average level of red blood cells is usually denoted in the MCV assays, and their degree of size distribution is abbreviated as RDW.


  1. Up to a year - 2.7-6.6.
  2. From year to 12 years - 3.7-5.3

Reasons for raising

  • Long stay in the mountains.
  • Excessive exercise.
  • Oxygen starvation.
  • Congenital heart defect.
  • Low degree of functionality of the adrenal cortex.
  • Dehydration.
  • Pathology of the respiratory organs.

Reasons for the decline

  • Iron-deficiency anemia.
  • Significant blood loss.
  • Inflammatory processes that occur chronically.
  • Hypovitaminosis.
  • Renal failure.
  • Myeloma.
  • Leukemia


This indicator characterizes the rate at which erythrocytes settle. He is able to determine what the ratio of protein fractions in the liquid component of the blood - the plasma.


  1. Up to a year - 2-12
  2. From year to 12 years - 4-12

Increased speed

  • Infectious pathology.
  • Blood loss
  • Anemia.
  • Allergy.
  • Hypovitaminosis.
  • Teething process.
  • Taking Paracetamol.
  • Improper diet (during breastfeeding).
  • Excessive consumption of fatty foods.

Reduced speed

  • Viral form of hepatitis.
  • Dehydration.
  • Severe pathology of the heart.


These substances are cells that, during the processes of blood formation, are converted into red blood cells. They also provide the transport of oxygen to organs, tissues and body systems. However, the efficiency of the transport they provide, in comparison with mature erythrocytes, is characterized by low efficiency.


  1. Up to a year - 3-15
  2. From year to 12 years - 0.3-1.2

Reasons for raising

  • Hemolytic anemia.
  • Pathology of the bone marrow.
  • Massive blood loss.
  • Hypoxia.
  • Malaria
  • Acceptance of iron.

Reasons for the decline

  • Malignant neoplasms.
  • Myxedema.
  • Hypovitaminosis.
  • Autoimmune diseases.
  • Malfunctions of the kidneys.
  • Aplastic anemia.

Leukocytes (WBC)

More known as white blood cells. Their main function is to protect the body from the negative endogenous and exogenous effects of pathogenic microorganisms.


  1. Up to a year - 5.5-24.5
  2. From year to 12 years - 4.5-17

Reasons for raising

  • Burns
  • Injuries.
  • Anaphylactic shock.
  • Renal colic.
  • Internal bleeding.
  • Malignant tumors.
  • Diseases of the liver.

Reasons for the decline

  • Intoxication.
  • Endocrine disorders.
  • Viral diseases.

Leukocytes are divided into types: plasma cells, monocytes, basophils, eosinophils, neutrophils and lymphocytes (LYM). Their absolute volume is denoted by Lymph.

The latter species is also subdivided into subspecies: segmented, stab, metamyelocytes and myelocytes.
Indicators of monocytes, basophils and eosinophils in medicine are combined into one large group called MID.

Granulocytes (GRA)

These substances are a subspecies group of white blood cells. Most often they are called granular leukocytes. Getting into the bloodstream, they are divided into two parts. The first is adjacent to the walls of the vascular channels, from which is called the wall. The second - merges with the blood stream and actively circulates in its composition.

Due to the fact that granulocytes constitute the majority of all types of leukocytes (about 50-70%), their separate indicator is not indicated in the leukocyte formula. But their number is calculated using the following formula: GRA = (total WBC level) - (WBC + MON).

Reasons for raising

  • Inflammation of infectious etiology.
  • Allergy.
  • Intensive exercise.

Reasons for the decline

  • Collagenosis.
  • Hematologic diseases.

Hemoglobin (HB)

Protein with a complex structure contained in red blood cells. In its composition dominated by iron. The main functions are the transport of oxygen in the general circulation and the bond of carbon dioxide. The concentration of hemoglobin contained in the entire volume of red blood cells is called MCHC, and its level in the whole blood composition is HGB.


  1. Up to a year - 103-198
  2. From year to 12 years - 100-150

Reasons for raising

  • Slow blood circulation.
  • Dehydration.
  • Diseases of the blood-forming organs.
  • Malignant tumors.

Reasons for the decline

  • Over-active growth.
  • Poor diet.
  • Hypovitaminosis.
  • Weakened immunity.

Color indicator

This parameter displays the hemoglobin concentration in 1 red blood cell.


  1. Up to a year - 0.85-1.15
  2. From year to 12 years - 0.75-1.0

Reasons for raising

  • Macrocyte anemia.
  • Autoimmune diseases.
  • Tumors.
  • Lack of vitamin B12.

Reasons for the decline

  • Hypochromic anemia.
  • Renal failure.
  • Iron deficiency.
  • Bleeding in the digestive system.

Platelets (PLT)

Blood cells with transparency. There are two main functions of platelets. The first is to create a platelet aggregate (“plug”), with which damage to the walls of the vascular channels is eliminated.

The second is the acceleration of the process consisting in plasma coagulation. The average volume of these substances is indicated by MPV, and their index is PDW.


  1. Up to a year - 160-400
  2. From year to 12 years - 160-390

Reasons for raising

  • Injuries.
  • Inflammatory process.
  • Reception of sympathomimetics, antimycotics, corticosteroids.
  • Hematologic pathology.
  • Infections.

Reasons for the decline

  • Viral diseases.
  • Allergy.
  • Malignant tumors.
  • Hemophilia.

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