In a complete blood count, what is the normal lymphocyte range?

The normal lymphocyte range in a complete blood count is indeed typically between 20% to 40% of the total white blood cell count. Lymphocytes play a crucial role in the immune system by producing antibodies and regulating immune responses. The proportion of lymphocytes can vary depending on age, health status, and other factors, but in general, 20-40% is considered the normal range for adults.

The other ranges mentioned do not align with typical lymphocyte percentages. For instance, 1-4% and 2-8% are unusually low percentages for lymphocytes and would not reflect a normal count in most adults. Similarly, 55-70% corresponds more closely to the normal range for neutrophils, another type of white blood cell crucial for fighting infection. Understanding the normal ranges is vital for interpreting laboratory results and assessing a patient's health, especially in the context of immune function.