what does ncd medicare
An NCD is mandated at the national level and all FIs, Carriers, and Medicare Administrative. Contractors (MACs) follow those guidelines. An LCD is mandated at the MAC level and those. guidelines are only applicable to that MACâs jurisdiction. Medicare contractors develop LCDs when there is no National Coverage Determination (NCD) or when there is a need to further define an NCD. The guidelines for LCD development are provided in . Chapter 13 of the Medicare Program Integrity Manual.