Midwest · CD4 Count Test – Lymphocyte Count for HIV & Immunodeficiency
CD4 Count Test – Lymphocyte Count for HIV & Immunodeficiency in Kansas
This page explains the cd4 count test – lymphocyte count for hiv & immunodeficiency, what it measures, and how to order it. This test measures specific types of white blood cells, called lymphocytes, which are important for immune system function. It is often used to monitor the progression of HIV infection.
What this test is
The CD4 Count test, also known as a CD4 lymphocyte count, measures the number of CD4 cells in your blood. These cells are a type of T-lymphocyte that play a crucial role in the immune system's ability to fight off infections.
What it measures
- CD4 Lymphocytes — a key indicator of immune system health
- CD8 Lymphocytes — another type of T-lymphocyte involved in immune response
- CD4/CD8 Ratio — reflects the balance between different types of T-cells
- CD3 Lymphocytes — total count of T-lymphocytes
- CD19 Lymphocytes — a type of B-lymphocyte that produces antibodies
- CD16/56 Lymphocytes — natural killer (NK) cells and some other immune cells
What the test involves
This test requires a standard blood draw from a vein in your arm. The collected blood sample is then sent to a laboratory for analysis.
Why it is often ordered
Clinicians typically order this test to assess the health of the immune system, particularly in individuals with HIV. It helps in evaluating the stage of the infection and guiding treatment decisions.
Preparation
No special preparation is usually needed for this test. However, always follow the specific instructions provided by the laboratory where your blood will be collected.
How results are reported
Results are typically available within a few business days and will be provided to your healthcare provider. Reference ranges, which indicate what is considered a typical amount, vary between laboratories.
Before you go
- Fasting requirements
- Specific collection time
- How to get results
Cities
CD4 Count Test – Lymphocyte Count for HIV & Immunodeficiency in Kansas communities
Choose your city for local context and to request this test.