Blood Count
White Blood Cell Count
A count of white blood cells, which help fight infection and respond to inflammation.
blood-countimmuneinfectioninflammation
About this biomarker
White blood cells are part of the immune system. The WBC count measures the total number of these cells in the blood.
Why it matters
It can reflect infection, inflammation, immune activity, bone marrow disorders, or medication effects.
What lower levels may suggest
Low WBC may be seen with viral infections, bone marrow suppression, autoimmune conditions, or some medications.
What higher levels may suggest
High WBC may be seen with infection, inflammation, stress, steroid use, or blood disorders.
Common tests
Complete blood count, CBC with differential
Related biomarkers
Your trend
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