MSDRGMedicare Severity Diagnosis Related Groups (Medicare Reimbursement)
MSDRGMedical Systems Development Research Group
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About one in five discharges identified as a HAC in FY 2010 were not reassigned to a lower paying MS-DRG because the claim had already been assigned to a single or a 2-severity level MSDRG (where all "CC/MCC" cases are grouped together or all "no MCC" cases are grouped together).
Since under these circumstances the selection from among alternative translations would have no impact on MSDRG assignment, the final translation for the code was selected randomly from among the remaining possible translations using a uniform probability distribution.