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A 42-year-old female asked:

What's the normal range in percentage for cd3, cd4, cd8, cd5, cd19 and cd20 antigens in peripheral blood for female adults?

1 doctor answer1 doctor weighed in
Dr. Ed Friedlander
Pathology 45 years experience
Why do you ask?: You are of course talking about percentages of either all white blood cells or of lymphocytes. This question does not arise in general clinical medicine, and if someone has offered this to you without a strong suspicion of immunodeficiency or leukemia, you need to insist on an explanation. And in such workups, the search is either for a mutant clone or a grave deficiency; percentages are moot.
Last updated Aug 6, 2018

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