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Reference range for complete blood count

The reference range for a complete blood count (CBC) generally varies according to your gender and age, however, it is also possible to observe differences in values depending on the laboratory where the collection was done.

A  CBC or hemogram, is used to evaluate certain blood aspects such as red blood cells, leukocytes and platelets, and it is a good way to identify the presence of infections, if iron is in excess or if you have anemia, for example.

There is usually a sign of infection when there is an increase in leukocytes and there are signs of allergy, when there is an increase in eosinophils, but it is important that the blood test is interpreted by the doctor who asked for the test because the symptoms you present should be taken into account.

Reference range for complete blood count

Results of an Erythrogram in children

 Reference range for newbornsReference range in babies up to 1 year of age

Reference range in ​​​children

Erythrogram   
Erythrocytes4.0 to 5.6 million/ µL4.0 to 4.7 million/ µL4.5 to 4.7 million/ µL
Hemoglobin 13.5 to 19.6 g/dL11.0 to 13.0 g/dL11.5 to 14.8 g/dL
Hematocrit44 to 62%36 to 44%37 to 44%
MCV77.0 to 101.0 fL77.0 to 95.0 fL
MCH28.0 to 33.0 pg30.0 to 33.0 pg

Haemogram reference range for women

 Reference range for women
Erythrogram 
Blood Cells3.9 to 5.4 millions/ µL
Hemoglobin12.0 to 16.0 g/dL
Hematocrit35 to 47%
MCV80.0 to 100.0 fL
MCH27.0 to 32.0 pg
MCHC31.0 to 36.0 g/dL
RDW10.0 to 16.0%
Leukogram 
Total leukocytes4000 a 11000/ µL

Band neutrophils

0 a 800/ µL
Segmented neutrophils1600 a 8000/ µL
Lymphocytes900 a 4000/ µL
Monocytes100 a 1000/ µL
Eosinophils0 a 500/ µL
Basophils0 a 200/ µL
Platelets140 000 a 450 000 µL

Haemogram during pregnancy

In pregnant women, a leukogram has different values, since they vary according to the trimester of gestation and the woman's age, with variation in the normal number of white blood cells.

Reference range for complete blood count

Haemogram reference range for men

 Reference range for men
Erythrogram 

Blood cells

4.2 to 5.9 million/ µL
Hemoglobin13.0 to 18.0 g/dL
Hematocrit38 to 52%
MCV80.0 to 100.0 fL
MCH27.0 to 32.0 pg
MCHC31.0 to 36.0 g/dL
RDW10 to 16%
Leukogram 
Total leukocytes4000 to 11000/ µL
Band neutrophils0 to 800/ µL
Segmented neutrophils1600 to 8000/ µL
Lymphocytes900 to 4000/ µL

Monocytes

100 to 1000/ µL
Eosinophils0 to 500/ µL
Basophils0 to 200/ µL
Platelets140 000 to 450 000 µL

Changes in the results 

When there is a change in the results of the blood count, it is important that the doctor who requested the test evaluates you, taking into consideration your symptoms and the result of the other tests requested, because some alterations do not indicate health problems. Therefore, although there can be slight changes to your blood count values, it does not necessarily represent a health problem. See how to interpret the results of a complete blood count (CBC).

If you want to know what the test result may indicate, put your data here:

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