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CD4-to-CD8 Lymphocyte Ratio

Purpose:

To measure lymphocyte subsets to aid in the management of a patient infected with HIV.

Specialty:

Infectious Diseases

Objective:

laboratory tests

ICD-10:

B24

Description:

In patients with HIV infection, lymphopenia can occur with disease progression. To assess the degree of involvement, lymphocyte subset enumeration is done. Normally helper T lymphocytes (marked by CD4) exceed suppressor T lymphocytes (marked by CD8). In HIV disease suppressor cells exceed helper cells.

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