A high red blood cell count can occur for many reasons, including excessive cell production, changes in blood volume, or underlying medical conditions. Sometimes, the cause is unknown. Erythrocytes, ...
Lymphocytosis means you have a higher-than-usual lymphocyte count, often defined as more than 3 to 4 billion cells per liter of blood. Lymphocytes are white blood cells that help fight disease. Smudge ...