Fibromyalgia Blood Test (IMAGE) Ohio State University Caption Researchers at The Ohio State University have developed a blood test to identify fibromyalgia. The experimental diagnostic tool measures metabolic activity in the blood, distinguishing fibromyalgia from other chronic pain conditions with near 100 percent accuracy. Credit The Ohio State University Wexner Medical Center Usage Restrictions credit ohio state License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.