Overview What is lymphocytosis (high lymphocyte count)? Lymphocytosis — or high lymphocyte count — means having a higher-than-normal amount of lymphocytes in your blood. Lymphocytes are a …

Oct 15, 2025 · Lymphocytosis (lim-foe-sie-TOE-sis), also known as a high lymphocyte count, is an increase in white blood cells called lymphocytes. Lymphocytes help fight off diseases.

May 12, 2025 · Lymphocytosis occurs when a person has too many lymphocytes, a type of white blood cell. Symptoms include swollen lymph nodes.

Lymphocytosis is an increase in the number or proportion of lymphocytes in the blood.

Mar 4, 2025 · What is lymphocytosis? Lymphocytosis refers to an increased number of lymphocytes in the bloodstream. Lymphocytes are a type of white blood cell that plays an important role in the …

May 26, 2025 · Lymphocytosis (high lymphocytes) is a condition characterized by an increase in the absolute number of lymphocytes in the peripheral blood above the normal range.

What is Lymphocytosis? Lymphocytosis is when you have too many lymphocytes in your blood. Lymphocytes are white blood cells that help fight off sickness. They come in three types: T cells, B …

Jul 17, 2023 · Lymphocytosis, defined by an increase in absolute lymphocyte count (ALC) to more than 4000 lymphocytes/microL in adult patients, is a common hematologic abnormality.

Sep 6, 2022 · Lymphocytosis refers to the presence of abnormally large amounts of lymphocytes in the blood. Learn more, including its outlook and treatment options.

Lymphocytosis is an increase in lymphocytes in the blood, commonly seen in response to infections but also in more serious conditions like leukemia.