What Is a Normal CD4 Count?


Quick Answer

A normal CD4 count ranges from 500 to 1,500 cells per cubic millimeter of blood, states WebMD. Any value below this range indicates a weak immune system.

Continue Reading
Related Videos

Full Answer

CD4 count varies from person to person and is affected by illness, infections, stress, smoking and recent vaccinations. It represents the number of cells in a cubic millimeter of blood. CD4 count can also be represented as a percentage, and the normal range is between 30 and 60 percent. A CD4 count of less than 14 percent or 200 cells per cubic millimeter indicates serious damage of the immune system or the onset of Aids, states The Body, a website for HIV/AIDS resources.

Learn more about Medical Ranges & Levels

Related Questions