Used for rapid detection and quantification of human interleukin-6 (IL-6) in serum, plasma, or cell culture samples. Commonly applied in clinical diagnostics and research to assess inflammatory conditions, monitor autoimmune diseases such as rheumatoid arthritis, and evaluate immune responses in infections or cancer. The quick test format allows for fast results with minimal sample volume, making it suitable for high-throughput screening and point-of-care testing in laboratories focused on immunology and inflammation studies.