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When should you get a CD4 count test?

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Right after you're diagnosed with HIV, you should get a CD4 count for a baseline measurement. That gives your doctor something to compare future test results to.

It may also show the need for drugs that stop specific opportunistic infections (OI), in addition to the drugs you take for HIV.

A viral load test 2 to 8 weeks after you start or change treatment helps your doctor decide how well the antiretroviral therapy (ART) is working.

You'll typically get a CD4 test every 3 to 6 months, or as often as your doctor recommends, to see how well your immune system is doing.

SOURCES:

UpToDate: "Techniques and interpretation of measurement of the CD4 cell count in HIV-infected patients."

Lab Tests Online: "CD4 Count."

New Mexico AIDS InfoNet: "CD4 Cell Tests."

Reviewed by Jonathan E. Kaplan on June 23, 2019

SOURCES:

UpToDate: "Techniques and interpretation of measurement of the CD4 cell count in HIV-infected patients."

Lab Tests Online: "CD4 Count."

New Mexico AIDS InfoNet: "CD4 Cell Tests."

Reviewed by Jonathan E. Kaplan on June 23, 2019

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