A member asked:

Can an infection show in a cbc?

8 doctors weighed in across 3 answers
Dr. Heidi Fowler answered

Specializes in Psychiatry

Yes: The actual bacteria, fungus, virus or parasite won't be identified but the complete blood count values can change with infections.

Answered 2/7/2020

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Bacterial infections: Bacterial infections can elevate the white blood cell count cell line of a cbc blood test. Viral infections do not elevate the white cell count but on rare occasions can lower it. Sub type of cells (part of the CBC) can differentiate bacterial from viral. Lymphocytes increase for viral infections. Neutrophils increase for Bacteral infections.

Answered 6/22/2018

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Yes: the white blood cell count can be elevated with an infection.

Answered 1/5/2019

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