MGCRB Rules

The Medicare Geographic Classification Review Board Rules (issued July 21, 2016; revised July 11, 2017, July 9, 2018, July 15, 2021, and July 10, 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. The Board may further revise these rules to reflect changes in the law, regulations, or the Board's policy and procedures.