An HIV-positive patient has his blood drawn to get his CD4 count.His results are as follows: WBC count: 2.0 × 10⁹/L with 15% lymphocytes.CD4 positive cells are 10% of the total lymphocyte count.What is this patient's absolute CD4 count,and what does this mean?

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The patient's absolute CD4 count is 300/mcL, and he does not have AIDS.WBC count: 2.0 × 10⁹/L with 15% lymphocytes.CD4 positive cells are 10% of the total lymphocyte count.Absolute CD4 count = (WBC count × % lymphocytes × % CD4 positive cells) / 100Absolute CD4 count = (2.0 × 10⁹/L × 0.15 × 0.10) / 100Absolute CD4 count = 300/mcLAn absolute CD4 count of less than 200/mcL is considered AIDS. Therefore, this patient does not have AIDS.

An HIV-Positive Patient Has His Blood Drawn to Get His