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Initial Laboratory Evaluation and Risk Stratification of the HIV-Infected Patient 

Initial Laboratory Evaluation and Risk Stratification of the HIV-Infected Patient
Chapter:
Initial Laboratory Evaluation and Risk Stratification of the HIV-Infected Patient
Author(s):

Jose Martagon-Villamil

and Daniel J. Skiest

DOI:
10.1093/med/9780190493097.003.0010
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date: 08 December 2019

To adequately understand the HIV-infected individual’s stage of disease, risk profile, and management needs, a series of laboratory tests must be performed. Essential tests include CD4+ count, HIV viral load, HIV resistance assay, and serologic evaluation for certain opportunistic infections. The availability and indication for many of these may be influenced by cost considerations, especially in resource-limited settings. Baseline laboratory evaluation of all patients with HIV newly engaged in care must be done. In stable patients with suppressed viral load, CD4 count monitoring is only required at 6- to 12-month intervals. In stable patients with virologic suppression for 2 years or more, viral load monitoring can be decreased to every 6 months.

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