Infant <12 months of age, CD4+ count per μL (CD4+ cells as % of total lymphocytes)
Child 1–5 years of age, CD4+ count per μL (CD4+ cells as % of total lymphocytes)
Child ≥6 years of age or adult, CD4+ count per μL (CD4+ cells as % of total lymphocytes)
Not immunocompromised
≥1500 (≥25%)
≥1000 (≥25%)
≥500 (≥25%)
Moderately immunocompromised
750–1499 (15–24%)
500–999 (15–24%)
200–499 (15–24%)
Severely immunocompromised
<750 (<15%)
<500 (<15%)
<200 (<15%)
Source: Wilfert et al38
Consider other factors such as concurrent medical conditions or medications when assessing levels of immunocompromise in children and adults with HIV. Please refer to the relevant section of this chapter.
