Interleukin-6 Blood Test-Reference Range

The interleukin-6 test, also known as an IL-6 blood test, interleukin-6 lab test, IL-6 HS test and an IL-6 test, measures the interleukin-6 blood level.

Interleukin-6 (IL-6) is a type of protein known as an interleukin. Also considered a type of cytokine, IL-6 is secreted by cells in the immune system known as macrophages and T cells. When the body is fighting an infection or is under stress from damage or trauma, IL-6 levels increase to help reduce inflammation in the body.

The normal result for Interleukin 6 is < 5pg/ml for unisex gender and for all age groups.

Elevated IL-6 levels in blood may indicate:

  • Rheumatoid arthritis
  • Lupus
  • Autoimmune disorders
  • Infections
  • Sepsis
  • Diabetes
  • Cardiovascular disease
  • Leukemias

Keywords: IL-6; interleukin-6 test

* The Content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.