CD4/ CD8 Enumeration Panel

Also referred as

CD4 T-cell and CD8 T-cell enumeration

CD3 / CD4 / CD8 / CD45 Count

EDTA Blood

CD4/CD8 Ratio

CD4/CD8 Flowcytometry

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The CD4/ CD8 Enumeration Panel Ratio test is a blood test that measures the levels of two types of immune cells, CD4 and CD8 T-cells. This ratio helps assess immune status, especially in conditions like HIV/AIDS and certain autoimmune diseases.

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Blood

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Understanding CD4/ CD8 Enumeration Panel

The immune system is the body’s defense against germs and illnesses. It uses various types of cells, including lymphocytes, a type of white blood cell. T-lymphocytes, or T-cells, are key players in this defense. The CD4/ CD8 Enumeration Panel test checks the count of two important T-cell types:

CD4+ T-cells (Helper T-cells): These cells act like the "military generals" of the immune system. They tell other immune cells what to do to fight off infections.
CD8+ T-cells (Cytotoxic T-cells): These cells are the "soldiers" that directly kill infected cells and cancer cells.

The CD4/ CD8 Enumeration Panel test measures the number of these cells and then calculates the ratio of CD4 to CD8 cells. A normal ratio indicates a healthy immune system. A low ratio can point to a problem. For example, in HIV, the virus attacks and destroys CD4 cells, causing the CD4 count and ratio to drop significantly. This weakens the immune system, making a person more susceptible to infections.

Doctors often use the CD4/ CD8 Enumeration Panel test to monitor the progression of HIV and see how well a person is responding to treatment. It is also used as a supportive tool to evaluate immune system status in certain autoimmune conditions and cancers, helping assess immune function rather than diagnose disease.

No special preparation is required for the CD4/ CD8 Enumeration Panel test. Inform the doctor about any medicines or supplements being taken, as they might affect the results.

Test result ranges are estimates and may vary slightly between labs depending on their methods and guidelines. Do not self-medicate based on the results, and always talk to a doctor to understand the report correctly.

What does CD4/ CD8 Enumeration Panel measure?

Contains 8 tests

The CD4/ CD8 Enumeration Panel test is a blood test that measures the number of CD4+ T-cells and CD8+ T-cells. It then calculates the ratio by dividing the CD4 count by the CD8 count. This ratio gives a snapshot of the immune system's balance and function.

CD 45 Absolute (Lymphocyte Gated)

CD 3 (T Cells) Percentage

CD 3 (T Cells) Absolute

CD 4 (Helper T Cells) Percentage

CD 4 (Helper T Cells) Absolute

CD 8 (Suppressor T-Cells) Percentage

CD 8 (Suppressor T-Cells) Absolute

CD 4/CD 8 ratio

Test Information is reviewed by: Dr. Swati Gupta (Anand), MBBS, MD Lab Medicine and written by Dr. Lipika Khurana, PGDHHM, BDS . The test details are for information purpose only. Consult a doctor before taking any test. Last updated on: 8th Sep 2026

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CD4/ CD8 Enumeration Panel test price for other cities

Price in	Bangalore	Rs. 1579
Price in	Mumbai	Rs. 2069
Price in	Jaipur	Rs. 1950
Price in	Howrah	Rs. 1979
Price in	New Delhi	Rs. 1799

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FAQs related to CD4/ CD8 Enumeration Panel

What is the CD4/ CD8 Enumeration Panel test?

The CD4/ CD8 Enumeration Panel test measures the levels of two types of T-cells, CD4+ and CD8+, to check the health of your immune system.

Do I need to fast before the test?

No, you do not need to fast before the CD4/ CD8 Enumeration Panel test.

How is the test performed?

A blood sample is taken from a vein in your arm and sent to a lab for analysis using a technique called flow cytometry.

Is there any risk associated with the test?

The test is safe with minimal risks. You might feel a slight sting or have some bruising where the blood was drawn, but this usually goes away quickly.

Who should get the CD4/ CD8 Enumeration Panel test?

This test is primarily used for people diagnosed with or at risk for HIV infection to monitor their immune status. It is also helpful in assessing immune system function in individuals with other immunodeficiency conditions, including those undergoing chemotherapy, organ or stem cell transplantation, or evaluation for certain immune system disorders.

What does an abnormal result mean?

A low CD4/CD8 ratio (below normal) can suggest a weakened immune system, often seen in HIV infection. A high ratio may be seen in some autoimmune conditions.

Can this test confirm an HIV diagnosis?

No, the CD4/ CD8 Enumeration Panel test is used to monitor the progression of HIV and the effectiveness of treatment. Other specific tests are needed to confirm the diagnosis.

What other tests may be needed with this test?

A doctor may also order a viral load test (to measure the amount of HIV in the blood) and other blood counts to get a complete picture of your health.

How does Tata 1mg ensure accurate lab test results?

Tata 1mg ensures accurate lab test results through certified laboratories that use advanced technology and follow strict quality control measures. This commitment to high standards guarantees reliable results.

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