Authority for field office (FO) authorization includes all ESRD Medicare awards and
            disallowances with the exception of the exclusion in HI 00801.300B. The FO will review the CMS-2728-U3 to determine whether the case involves dialysis
            only, self-dialysis training or transplant. The following sections provide instructions
            for establishing entitlement on the Master Beneficiary Record (MBR) and Enrollment
            Data Base (EDB) and processing determinations of disallowance.