T cell count and ratio

Procedure Information

What is a T cell Count and Ratio?

A T cell count and ratio is a laboratory test that measures the number and ratio of T cells. T cells are a type of white blood cells that play an important role in the body’s immune system.

Why Would I Get a T Cell Count and Ratio?

A T cell count and ratio is usually ordered to evaluate a patient's immune system and help diagnose certain conditions, vaccinations, allergies, autoimmune disorders, HIV and other infections.

What Happens During a T Cell Count and Ratio?

The sample is taken from a patient's blood and is examined in a laboratory. The number of T cells and their ratio to other white blood cells is determined.

What to Expect After a T Cell Count and Ratio?

The results of the T cell count and ratio will take a few days to be processed by the laboratory. Afterward, they will be reviewed by a physician who will inform the patient of the results and any necessary follow-up instructions.

Conclusion

A T cell count and ratio is a laboratory test that is used to evaluate a patient's immune system. It measures the number and ratio of T cells in a sample of the patient's blood. The results of the procedure take a few days to process and a physician will review and discuss the results with the patient.