If you have high levels of granulocytes (granulocytosis), it can be a sign of a problem.
Granulocytes are typically checked as part of acomplete blood count(CBC) blood test.
However, high immature granulocyte levels can also be normal during pregnancy and in newborns.

KATERYNA KON / SCIENCE PHOTO LIBRARY / Getty Images
KATERYNA KON / SCIENCE PHOTO LIBRARY / Getty Images
What Are Granulocytes?
What Are the Functions of Granulocytes?
Granulocytes are white blood cells that play a very important role in managing the immune system.
They are the first cells to respond to an infection and help the body with mediating allergies.
Each granulocyte has a specialized function within the body:
What Causes High Granulocyte Levels?
Granulocyte levels are often high when the immune system is activated.
High granulocytes can also be a sign of a chronic medical condition or cancer of the blood cells.
For example, if you have a bacterial infection, you may need to take antibiotics.
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