Percentage of CD4 Positive Lymphocytes

immunohematologyImmunity & InflammationBlood

The CD4 percentage is worked out by dividing the number of CD4+ T cells by the total number of lymphocytes, a type of white blood cell, and multiplying by 100.

Why it matters: The CD4 percentage can be useful in situations where the absolute CD4 cell count may be less reliable, such as another condition affecting the total lymphocyte count, or in children, pregnant people and adults over retirement age.

Source · Cleveland Clinic — what it is, why it matters, related conditions

Associated Conditions
InfectionsOther illnessesProgression of HIV
Related Markers
CD4/CD8 RatioLymphocytes
Common questions

What is Percentage of CD4 Positive Lymphocytes?

The CD4 percentage is worked out by dividing the number of CD4+ T cells by the total number of lymphocytes, a type of white blood cell, and multiplying by 100.

What might a high or low Percentage of CD4 Positive Lymphocytes mean?

The CD4 percentage can be useful in situations where the absolute CD4 cell count may be less reliable, such as another condition affecting the total lymphocyte count, or in children, pregnant people and adults over retirement age.

More in immunohematology
ABO Blood GroupAbsolute CD4 Helper CellsAbsolute CD8 Suppressor CellsCD4/CD8 RatioImmunoglobulin EPercentage of CD8 Positive LymphocytesRh(D) Blood GroupRheumatoid Factor

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