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Lab Test

Flow Cytometry: Lymphocyte CD3/CD4/CD8 Counts (Absolute and %)

Flow cytometry, a technology that simultaneously analyzes multiple characteristics of individual cells, plays a pivotal role in biomedical research, particularly in immunology and hematology. One of its crucial applications is the assessment of Lymphocyte CD3/CD4/CD8 counts.

  • Test NameFlow Cytometry: Lymphocyte CD3/CD4/CD8 Counts (Absolute and %)
  • Sample TypeBlood
  • Preparations RequiredNo specific instructions are required before undergoing this test. As always, inform your doctor about any medications or supplements you are currently taking.
  • Report Time24 hours

Lymphocytes are a type of white blood cell, vital in immune system function. They can be further categorized into T cells, B cells, and natural killer (NK) cells. T cells, which play a key role in cell-mediated immunity, can be identified and differentiated based on the presence of certain proteins (CD markers) on their surface. The Lymphocyte CD3/CD4/CD8 count provides information about the number and proportion of these different types of T cells, which is essential in diagnosing and monitoring certain immunodeficiencies, like HIV/AIDS, and other conditions that affect the immune system.

Home Sample Collection Process

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Sample Collection by Phlebotomist
Sample Collection by Phlebotomist
Reporting of the sample at lab
Reporting of the sample at lab
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Download Reports
Frequently Asked Questions

This test provides important information about the immune system, specifically about T cell numbers and proportions. It can aid in diagnosing and monitoring conditions that affect the immune system, including HIV/AIDS.

No, fasting is not required for this test. You may follow your regular diet and routine unless directed otherwise by your doctor.

This test measures the number (absolute count) and percentage of T cells that carry the CD3, CD4, and CD8 markers on their surfaces.

The frequency of this test depends on your health status and any ongoing treatment. For example, if you are living with HIV, your doctor may recommend this test every 3-6 months to monitor your disease progression and treatment efficacy.

Normal values can vary between laboratories and based on the individual's age and general health. Your doctor will interpret your results considering these factors.

There are no specific precautions for this test. However, remember to inform your doctor about any medications or supplements you are taking, as they could potentially influence the test results.

Several factors can affect the test results, including viral infections (like HIV), certain cancers (like lymphomas), immunosuppressive therapy, and age. Some of these factors can be managed or modified, while others cannot.

If your test results are abnormal, you should consult with a specialist in immunology or infectious diseases. They can provide further testing and discuss appropriate treatment options.

This test involves a blood draw, which carries minor risks such as pain, bruising at the injection site, lightheadedness, or a small risk of infection.

An abnormal result doesn't diagnose a specific disease but can indicate a problem with the immune system. Your doctor may need further tests to determine the cause.

Yes, certain medications can impact your test results. Always inform your doctor about any medications or supplements you're taking.

Many disorders that affect these test results are not preventable, as they are often due to factors beyond individual control. However, maintaining a healthy lifestyle can support overall immune health.

Treatment depends on the specific disorder. For conditions like HIV/AIDS, treatment usually involves antiretroviral therapy to slow disease progression.

Certain immunodeficiencies can be detected before birth through prenatal testing. However, many conditions that affect these counts develop later in life.

The impact on lifespan depends on the specific disorder and its severity, as well as how well it responds to treatment. Early detection and appropriate treatment can often improve prognosis and quality of life.

Your health journey may be filled with ups and downs, but remember to keep communication open with your doctor. Ask any questions you have, and make sure you understand your test results and what they mean for you. Staying informed is a vital part of taking control of your health.

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