WILMINGTON, N.C., Nov. 2, 2012 (GLOBE NEWSWIRE) -- TranS1 Inc. (Nasdaq:TSON), a medical device company focused on designing, developing and marketing products that implement its proprietary approach to treat degenerative conditions of the spine affecting the lower lumbar region, announced today that the Department of Health and Human Services, through the Centers for Medicare and Medicaid Services (CMS), has approved and released the valuation of the Category I Current Procedure Terminology (CPT) code 22586 for pre-sacral interbody single level spinal fusion at L5-S1 to be effective January 1, 2013.