MGCRB Rules

The Medicare Geographic Classification Review Board Rules (issued July 21, 2016; revised July 11, 2017, July 9, 2018, July 15, 2021, July 10, 2023, and December 15, 2023) apply to all approved geographic redesignations and any new applications filed. Changes made since the last published version of the MGCRB Rules have been highlighted in gray text for ease of reference. The Board may further revise these rules to reflect changes in the law, regulations, or the Board's policy and procedures.