A private CD25 (IL-2 Receptor) Blood Test at 117a Harley Street, London costs £118.13, with results usually in 2 days. Sample collection £50. This private immunology blood test measures CD25 (the alpha chain of the interleukin-2 receptor) on lymphocytes.
Because lymphocyte surface markers require fresh whole blood for flow cytometry analysis, we recommend attending on a weekday morning or early afternoon.
Written by Mr Stephen Lingam. Reviewed by Dr Scott Pereira (GMC 1524080) on 18/10/2026.
It measures expression of CD25 (interleukin-2 receptor alpha chain) on white blood cells using laboratory immunophenotyping.
Flow cytometry tests require fresh EDTA blood to reach the laboratory promptly, so Monday to Thursday appointments before mid-afternoon are ideal.
No fasting is required before your appointment.
Yes. You can add CD25 and other immunology markers to the same booking at 117a Harley Street and pay sample collection £50 once.