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CD4 Count T-Cell Blood Test


* This is not a home test kit. You will need to visit a local lab for testing.


This test is commonly performed to measure the strength of the immune system in an individual that has been diagnosed with HIV.

Once you are diagnosed with HIV this test is performed to receive your baseline number. Then 2-8 weeks after treatment has begun it is performed every 3 months.

CD4 or T-helper Cells is a type of white blood cell that fights infection. They move throughout the body helping to identify and fight off germs and bacteria that can cause infections.They are a major target of HIV which binds to the cells and then tries to kill them.

The number of CD4 cells decrease as HIV advances. CD4 is the main receptor for HIV once it enters the cell. HIV binds to the surface of CD4 cell, it then enters the cell, and as CD4 tries to fight off infection and make more cells, it also makes more copies of HIV.

Recommended For:

To count the CD4 T-Cells for those with HIV.

Special Notes:

No special preparation is needed prior to blood sample collection.

Tests Included:

CD-4, Helper T-Lymphocytes (8360)
CD-4, Helper T-Lymphocytes (505008)

Estimated Turn Around For Results:

2-10 Business Days

For an exact turnaround time for results, please contact us at Personalabs and we will contact the lab on your behalf as turnaround times vary depending on testing location or lab testing provider.

  • Step 1 - Order Your Test

    Create an account, choose your tests, checkout securely, generate your lab order.

  • Step 2 - Generate & Print Out Lab Order

    Our physician network will approve your order within 2-4hrs. Some lab orders can take 24 hours for approval.

  • Step 3 - Visit the Lab

    The test price decides which lab you will visit: Quest or Labcorp. Find a location in your area.

  • Step 4 - Get Your Results

    Results can be provided in as little as 24-48 hrs. For more complex tests, please contact us for turn around times.


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80% on meds!

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We now offer pharmacy discounts through our PersonalabsRx platform.

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