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This test evaluates and compares two important parts of the immune response. T- lymphocyte helper cells (such as CD4 cells) play a critical role in orchestrating the response to infections. Without T-helper cells, many of the other immune cells are not able to activate and fight infection. Proper activation of these immune cells is necessary for a strong immune response. This test measures the number of T-helper cells.
After activation of the immune response, T-lymphocyte suppressor cells (such as CD8) deactivate the immune cells fighting the infection. It is important to control and manage the immune response. An over-active immune system can lead to tissue damage and auto-immune disorders. This test measures the number of T-suppressor cells.
Additionally, the test measures the relationship between T-helper cells and T-suppressor cells. The relationship is measured as a ratio between immune system activation and deactivation.
Test Includes: Absolute CD4 helper/inducer T cells (CD3+CD4+); absolute CD8 suppressor/cytotoxic T cells (CD3+CD8+); absolute lymphocyte count; absolute T cells (CD3); CD4:CD8 ratio; CBC with differential and platelet count.
This test does not require fasting. Take all prescription medications as prescribed. Do not take your supplements the morning of the test.
The laboratory services are for informational purposes only. It is not the intention of National Diagnostics, Inc and Life Extension to provide specific medical advice but rather to provide users with information to better understand their health. Specific medical advice including diagnosis and treatment will not be provided. Always seek the advice of a trained health professional for medical advice, diagnosis or treatment.
Both the physician and the testing laboratory are independent contractors with whom National Diagnostics, Inc makes arrangements for your blood tests. Neither National Diagnostics, Inc or Life Extension will be liable for any acts or omissions of the physician, the testing laboratory, or their agents or employees.