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  1. CD4 Cell Count (T-Cell Test): Results & Normal Range

    Apr 15, 2025 · A CD4 count tells a provider how many T-cells are in a small amount of blood. Providers use the results to stage HIV infections and monitor antiretroviral therapy.

  2. CD4 - Wikipedia

    In molecular biology, CD4 (cluster of differentiation 4) is a glycoprotein that serves as a co-receptor for the T-cell receptor (TCR). CD4 is found on the surface of immune cells such as …

  3. CD4 Count: Normal Range, vs. Viral Load, and What it Means for …

    Jul 18, 2013 · For people with HIV, CD4 count and viral load are important indicators of health status. Learn what they measure and how they affect HIV treatment plans.

  4. CD4 Count, HIV, and AIDS: Test and Results and What They Mean

    Nov 11, 2024 · The CD4 count is a test that measures how strong your immune system is. Find out how it helps your doctor make HIV and AIDS treatment decisions.

  5. Understanding Absolute CD4 Count and CD4 Percentage

    May 29, 2025 · CD4 T-cells are T-lymphocytes that have molecules called CD4 on their surface. They start the immune response by signaling other defensive immune cells to infectious …

  6. CD4 Lymphocyte Count: MedlinePlus Medical Test

    CD4 cells are a type of white blood cell that circulates throughout the body in the blood. They're also called CD4 T lymphocytes or "helper T cells." That's because they help fight infection by …

  7. Lymphocyte Subset Panel 4 | Test Detail | Quest Diagnostics

    Lymphocyte Subset Panel 4 - This panel separately reports CD4+ T cells (CD4) and CD8+ T cells (CD8) in the blood, as well as a calculated CD4/CD8 ratio. This panel may provide information …

  8. Understanding CD4 T-Cell Count: Test, Range, and Importance

    Learn about CD4 T-cell count, its role in immune health, normal ranges, and its significance in HIV monitoring. Understand CD4 count tests, low CD4 symptoms, and treatment insights.

  9. CD4-CD8 Ratio - University of Rochester Medical Center

    This test looks at the ratio of CD4 cells to CD8 cells. The ratio tells your health care provider how strong your immune system is and helps predict how likely you are to develop an infection.

  10. CD4 Count: What Does It Mean? - TheBody

    Aug 23, 2024 · CD4 cells are a kind of white blood cell that are a key part of the immune system because they help fight infections. Your CD4 count is simply how many CD4 cells you have in …