Optimal Result:
28 - 55 %.
The marker % T-Helper (CD4) Cell is a critical parameter for assessing immune system health and functionality. T-Helper cells, also known as CD4+ cells, are a subset of lymphocytes that play a vital role in the immune response by activating and directing other immune cells. They are essential for both the cell-mediated and humoral branches of the adaptive immune system.
The percentage of T-Helper cells is particularly significant as it reflects the body's capacity to mount an effective immune response against pathogens, support the production of antibodies by B cells, and regulate the activity of cytotoxic T cells and other immune cells. An imbalance in the % T-Helper (CD4) Cell count, whether elevated or decreased, can indicate immune dysregulation, which may manifest in autoimmune diseases, immunodeficiency disorders, or an increased susceptibility to infections.
Lab Results Explained and Tracked
What does it mean if your % T-Helper (CD4) Cell result is too high?
A high percentage means CD4 cells account for a larger share of lymphocytes. Check Total T-Helper (CD4) Cell to see whether their number is also elevated. A high percentage with a count within range can reflect the relative distribution of other lymphocyte populations. Review a persistent elevation with your clinician alongside the CD8 results and CD4/CD8 Ratio.
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What does it mean if your % T-Helper (CD4) Cell result is too low?
A low percentage means CD4 cells account for a smaller share of lymphocytes. If Total T-Helper (CD4) Cell remains within range, the result shows a lower proportion without a low absolute count. A small deviation should be considered with previous results, symptoms, the CD8 results, and CD4/CD8 Ratio. Review a persistent reduction with your clinician.
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