NEW YORK, Aug. 7, 2018 /PRNewswire/ — Centinel Spine, LLC is pleased to announce that UnitedHealthcare®, the nation’s second largest commercial insurer, has issued a positive medical policy for Lumbar Total Disc Replacement (TDR).  This decision affects over 16 million patients covered through UnitedHealthcare, and means that three out of the four largest US commercial providers now […]