Is 16 4 hemoglobin okay

General information on anemia

Author: PD Dr. med. Gesche Tallen, Ingrid Grüneberg, created on: October 20, 2011, editing: Ingrid Grüneberg, approval: Prof. Dr. med Ursula Creutzig, last changed: June 15, 2017

Signs of illness

Anemia initially means a reduction in the concentration of the red blood pigment (hemoglobin) or the number of red blood cells (erythrocytes) below a certain normal value. This normal value also depends on the age of children and adolescents. Anemia in children (ages 6 months to 14 years) is defined by a hemoglobin concentration (Hb value) below 10 g / dl. This value does not apply to infants up to 6 months, as the blood formation changes during this period.
The task of the red blood cells and the red blood pigment is to transport the vital oxygen from the lungs to all organs and tissues in the body. In the case of anemia, this oxygen supply is disturbed and there is a lack of oxygen. As a result, children and adolescents with anemia are often very pale and suffer from fatigue, poor concentration, headaches and dizziness, for example.

There are other symptoms and accompanying findings that can occur in anemia:

  • Pallor of the skin and mucous membranes
  • Quick fatigue and exhaustion (often only slight in children)
  • Palpitations (tachycardia) or circulatory failure (circulatory insufficiency in acute bleeding)
  • Jaundice when blood falls (jaundice)
  • Enlargement of the spleen (splenomegaly)
  • Passing of blood in the urine (hemoglobinuria)

Laboratory Values ​​to Determine Anemia - Overview

These laboratory values ​​are used to determine anemia:

  • Red blood cell count - erythrocyte count
  • Red blood pigment content - hemoglobin level
  • Relation between solid and liquid blood components - hemotocrit value

Number of erythrocytes (abbreviation in laboratory medicine: erythrocytes)

The determination of the number of red blood cells is part of the "small blood count". If the number of erythrocytes is too low compared to the age-typical normal value, it is called anemia.

Hemoglobin level (Hb)

A Hemoglobin value below 10 g / dl indicates one in children aged 6 months to 14 years anemia down.

Hematocrit value (Hk)

The hematocrit value indicates the ratio between solid and liquid blood components. The higher the value, the thicker the blood is.
Hematocrit values ​​that are too low indicate overhydration, severe blood loss or reduced red blood cell production.


Hemoglobin (Hb) g / dl

Hematocrit (Hk) in%

1 year

10,7 - 13,1

33 - 40

2 - 6 years

10,8 - 14,3

34 - 41

7-12 years

11,3 - 14,9

37 - 43

13-18 years female

12,0 - 16,0

36 - 44

13-18 years male

14,0 - 18,0

39 - 47

copyright Entries table:
Laboratory dictionary,

Values ​​for infants

The values ​​for infants initially change daily after birth. From the 2nd month of life, the blood formation (hematopoiesis) changes, from fetal blood formation in the womb to adult blood formation, which takes place in the bone marrow. Therefore, from the 2nd month onwards, the infant's blood values ​​drop for a relatively short period of time and then rise again (trimester reduction). The exact values ​​from the first day of life (LT) to the age of one year (with certain weekly and monthly intervals) can be found in the laboratory dictionary: - place of blood formation
In our further portal,, you will also find information about blood formation.

Blood values: erythrocyte indices

The three laboratory values ​​MCV, MCH and MCH are the so-called erythrocyte indices. They are important metrics for determining the cause of anemia. They measure the volume of a single red blood cell (erythrocyte) and its content and concentration of red blood pigment (hemoglobin).

The results of an extensive study on these blood values, especially in children and adolescents, were published in 2016. Find out more here.

Blood formation in the bone marrow

Information on this on our page: What is blood and what is it used for? Here

Comprehensive study of blood values ​​in children and adolescents

in Germany, results from 2016 here

Guideline for anemia diagnostics in childhood

This guideline, written for physicians, provides further information on diagnosing childhood anemia. To the guideline