FDA approves first blood test to evaluate concussions in adults FDA approves first blood test to evaluate concussions in adults Workers Compensation Jon / Thursday, March 1, 2018 2365 Medical providers will have a new tool to diagnose concussions since as the U.S. Food and Drug Administration today permitted marketing of the first blood test to evaluate mild traumatic brain injury (mTBI), commonly called a concussion, in adults. Read more