depending upon the secondary diagnoses reported along with the principal diagnosis of CHF.
In place of DRG 127 were three new DRGs: MS-DRGs 291, 292, and 293,
Example of repalcement: DRG 127 was no longer the DRG for principal diagnosis congestive heart failure.
MS-DRGs replaced DRGs on October 1, 2007
1) MCC - Major Complication/Comorbidity; 2) CC - Complication/Comorbidity; 3) Non-CC - No Complication/Comorbidity
Instead of a two-tiered structure (with CC and without CC), MS-DRGs introduced a three-tiered structure:
The 745 MS-DRGS replaced the 538 DRGs previously used to classify Medicare inpatient stays.
and subdivides them (745) for the purpose of Medicare reimbursement.
The MS-DRG classification system divides possible diagnoses into more than 20 major body systems
a statistical system of classifying any inpatient stay into groups for the purposes of payment.
MS-DRG (Medical-Severity Diagnostic-Related Groups) Definition:
MedPar Data Dictionary https://www.resdac.org/cms-data/files/medpar-rif/data-documentation
throughout the stay.
depending on the length of a beneficiary's stay and the amount of services used
hospital or SNF. Each MedPAR record may represent one claim or multiple claims,
final action stay records. Each MedPAR record represents a stay in an inpatient
The MedPAR File contains inpatient hospital and skilled nursing facility (SNF)
by Jean Roth , jroth@nber.org , 24 Sep 2016
Source URL: http://www.dartmouthatlas.org/tools/downloads.aspx
Source Workbook: MedPar_MSDRGCodes_Age0to99_2007_2014.xlsx
Source Worksheet: Table