Disclaimer: Effective March 1, 2008, the medical review functions that were the responsibility of the Program Safeguard Contractor, TriCenturion were transitioned back to the durable medical equipment medicare administrative contractors. The educational materials provided below are archived materials. These informational materials have been provided as a reference only. Any regulations, policies, and/or guidelines cited within these reference materials are subject to change without further notice. Current regulations can be found within the Jurisdiction B Supplier Manual and on the What's new page of the NGSMedicare.com Web site.