White Blood Cells (WBC)

White blood cells (leukocytes) are part of the immune system and help your body fight infections and other diseases.

Category: Complete Blood Count

Also known as: white blood cells, wbc, leucocytes, leukocytes, white cell count

Reference range: 4.5–11 x10³/µL (Source: ABIM)

Standard unit: x10³/µL

High values may indicate

High WBC count (leukocytosis) may indicate infection, inflammation, allergic reactions, leukemia, or stress response.

Low values may indicate

Low WBC count (leukopenia) may indicate bone marrow disorders, autoimmune conditions, severe infections, or effects of chemotherapy.

Source: MedlinePlus, U.S. National Library of Medicine

Track your White Blood Cells (WBC) over time with BloodId