Catalog item:

HIV: When You Need CD4 Tests (HIVMA)

Campaign Series: Choosing Wisely
Medical Category: Tests
Article Type: Advice
Language: Plain English, Spanish
Affiliation: HIV Medicine Association
Format: PDF
Most recent update: 11/16/2016
There are two common tests that doctors use to see if HIV treatment is working. The CD4 test measures the number of CD4 cells in your blood. The viral load test measures the amount of HIV in your blood. If your treatment is working well, you usually
need the CD4 count less often, if at all. Here’s why.