Interleukin-6 Blood Test (IL-6)
Uncover hidden inflammation driving your heart risk.
What’s tested
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The Interleukin-6 (IL-6) Blood Test measures the level of this key pro-inflammatory cytokine, a signalling protein that coordinates the body's immune and inflammatory responses. It is used to assess systemic inflammation, which plays a central role in the development and progression of cardiovascular disease, and is also valuable in investigating suspected acute or chronic inflammatory conditions, infections, and certain autoimmune disorders. This test is suitable for individuals with known or suspected cardiovascular risk, those with persistent unexplained symptoms such as fatigue, fever, or joint pain, and anyone seeking a deeper understanding of their inflammatory status. A simple blood sample is collected, and the concentration of IL-6 is determined using a validated immunoassay technique.
Biomarkers
- Interleukin-6 (IL-6)
Why it matters
IL-6 is a pivotal driver of the inflammatory cascade and a strong independent predictor of cardiovascular events. Elevated levels can indicate low-grade chronic inflammation, which is increasingly recognised as a contributor to atherosclerosis, plaque instability, and heart disease. Measuring IL-6 provides clinicians with actionable insight into a patient's inflammatory burden, helping to guide risk stratification, lifestyle interventions, and further diagnostic evaluation. For those with cardiovascular concerns or unexplained inflammatory symptoms, this test offers a clear, objective window into an otherwise silent process.
No special fasting required. Drink plenty of water prior to your appointment for a smooth blood draw.
- 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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