Jan 16, 2005
Hi Doc Benjamin
Can one make a generalization about the condition of someone immune system with the results of a simple CBC Blood Test? For example, could someone be Immunocompromised with WBC of 7.1 and Lymph % of 32%?
Or is this test not specific enough?
Thanks for the insight.
Response from Dr. Young
Thanks for your post.
It's pretty difficult to assess one's immune status simply on the basis of a CBC. One crude estimate of the CD4 cell count can be made with your numbers-- 32% of 7100 =2270 lymphocytes. If one assumes (not always accurately) that 50% of lymphocytes are CD4+; then an upper estimate of the CD4 cell couint is 50% of 2270, or 1135-- a pretty normal number.
Be aware that this is a very rough estimate of the true situation, and a CD4 cell (or T cell) count is really the only way to know. BY
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