Lymphocyte subsets (CD69)
Measure early immune activation with precision and clarity.
What’s tested
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Mondays onlyThis test measures the expression of CD69 on lymphocytes, a marker of early immune cell activation. It is used to assess immune function in patients with recurrent infections, autoimmune conditions, or suspected immune dysregulation, and to monitor response to immunomodulatory therapies. The analysis is performed using flow cytometry, a technique that identifies and counts specific cell populations based on surface markers.
What is measured
- CD69 lymphocytes: A subset of lymphocytes expressing CD69, an early activation marker that appears on the cell surface within hours of stimulation. Elevated levels indicate recent or ongoing immune activation, while low levels may suggest impaired immune responsiveness.
Why it matters
CD69 expression provides a direct window into the immune system's activation status. It helps clinicians distinguish between resting and activated immune states, supporting the diagnosis and management of immune-mediated disorders and guiding treatment decisions.
Referral required
- Identification: Photo ID (Passport or Driving Licence) is only required if you need your report for official, employment, visa/travel, premarital, or Identity-Verified Certificate (IVS) purposes (not required for personal health & wellness testing).
This test provides an official, quality-assured laboratory report with reference ranges. These results are for clinical information and do not replace your GP or consultant. Always discuss abnormal results with your GP or specialist in the context of your medical history.
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