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  1. High white blood cell count Causes - Mayo Clinic

    Jun 11, 2005 · A high white blood cell count most often means one of the following has led to a rise in white blood cells: An infection Reaction to a medicine A bone marrow condition An …

  2. High white blood cell count - Mayo Clinic

    Jun 11, 2005 · A high white blood cell count is a rise in the number of cells in the blood that fight infections. What's thought of as high in a white blood cell count varies from one lab to another. …

  3. High white blood cell count When to see a doctor - Mayo Clinic

    Jun 11, 2005 · A high white blood cell count rarely is found by chance. Talk to your healthcare professional about what your results mean. A high white blood cell count plus results from …

  4. Lymphocytosis (high lymphocyte count) Causes - Mayo Clinic

    Oct 15, 2025 · A brief increase in certain white blood cells, called lymphocytes, is typical after an infection. Too high a count can mean something more serious.

  5. High WBC, CRP/Sed Rate, IGA Subclasses - Mayo Clinic Connect

    Since then, I've had chronically high WBC count, neutrophils, platelets, and eosinophils. I also have chronically elevated CRP and sed rate. My IGA subclasses 1 and 2 are low, as well as …

  6. Complete blood count (CBC) - Mayo Clinic

    Jan 14, 2023 · A white blood cell count that's higher than usual most commonly is due to an infection or inflammation. Or it could point to an immune system disorder or a bone marrow …

  7. Recuento alto de glóbulos blancos - Mayo Clinic

    Jun 11, 2005 · White blood cell count (WBC blood test). Testing.com. https://www.testing.com/tests/white-blood-cell-count-wbc. Accessed Nov. 23, 2022. …

  8. High WBC and platelet count - Mayo Clinic Connect

    Mar 10, 2020 · A high WBC should be thoroughly investigated especially when it has been determined that you haven't got any signs of infection. In regard to platelets the higher the …

  9. Urinalysis - Mayo Clinic

    Oct 24, 2023 · White blood cells (leukocytes) might be a sign of an infection. Red blood cells (erythrocytes) might be a sign of kidney disease, a blood disorder or another underlying …

  10. Polycythemia vera - Symptoms & causes - Mayo Clinic

    May 8, 2025 · The body typically controls the number of each of the three types of blood cells. These are red blood cells, white blood cells and platelets. But in polycythemia vera, the bone …