What does low Lymphocytes mean on CBC?
Lymphocytopenia, also referred to as lymphopenia, occurs when your lymphocyte count in your bloodstream is lower than normal. Severe or chronic low counts can indicate a possible infection or other signficant illness and should be investigated by your doctor. Lymphocytes are a kind of white blood cell.
What are CBC lymphocytes?
Lymphocytes are white blood cells that are also one of the body’s main types of immune cells. They are made in the bone marrow and found in the blood and lymph tissue. The immune system is a complex network of cells known as immune cells that include lymphocytes.
What is the normal range of lymphocytes on a differential?
Reference Range Reference ranges for differential white blood cell counts are as follows : Neutrophils – 2500-8000 per mm3 (55-70%) Lymphocytes – 1000-4000 per mm3 (20–40%)
What could a high lymphocyte differential indicate?
High: A high lymphocyte level can indicate an acute viral infection, such as chicken pox, herpes, or hepatitis. Or, a lymphocyte count may be high because of a bacterial infection, such as tuberculosis or pertussis, or a condition such as lymphocytic leukemia or lymphoma.
What diseases cause low lymphocytes?
Causes of Low Lymphocyte Count
- Blood diseases like Hodgkin’s disease.
- Autoimmune disorders like lupus.
- Infectious diseases like tuberculosis, AIDS, and viral hepatitis.
- Radiation and chemotherapy treatments.
- Steroid therapy.
Can COVID-19 affect lymphocytes?
Since the current outbreak of the COVID-19, several studies have determined a correlation with the disease severity and lymphopenia, a condition defined by abnormally low counts of lymphocytes. In infected children, where the mortality rate is close to zero, lymphopenia is rarely observed.
Can Covid cause low lymphocytes?
Further analysis showed that 70.2% of the COVID-19 cases had low circulating lymphocyte count, of which 64.1% were severe cases and 85.0% were critical cases (75.9% recovered cases and 93.5% died).
What happens when lymphocytes are low?
A low lymphocyte count makes it hard for your body to fight infections. You may get infections caused by viruses, fungi, parasites, or bacteria. Treatment for an infection will depend on its cause. You also may need treatment after an infection is gone to help prevent repeat infections.
What can cause elevated lymphocytes?
Causes of high lymphocyte counts. Common reasons for a high count of lymphocytes include infections, autoimmune disorders that cause chronic inflammation, and cancer of the lymphatic system or blood.
What causes low lymphocytes and cancer?
There are several possible causes for a low lymphocyte count, including disease processes and the use of certain medications. Infectious diseases, autoimmune disorders, and some forms of cancer frequently lead to this symptom.
What percentage of lymphocytes are high?
If you are an adult, and have more than 3000 lymphocytes (<40%) in one micro-liter of blood, then it is already considered a high lymphocyte count, also known as lymphocytosis. In children, this threshold may vary with age, but can be as high as 7000 to 9000 lymphocytes in one micro-liter of blood.
What happens if your lymphocytes count is low?
When a person has low lymphocytes count, his or her body becomes less resistant to infections, and can catch severe infections like cancer and tumors. Low lymphocytes count may also result in damage to other organs of the body.