MCMedicalCodingSoftware
298

MS-DRG 298: CARDIAC ARREST, UNEXPLAINED WITHOUT CC/MCC

DRGMedicalMDC 05

MS-DRG 298 is cardiac arrest, unexplained without cc/mcc, in MDC 05 (a medical DRG), at the without-CC/MCC level. Its FY2027 relative weight is 0.4946, so a case here pays less than the average Medicare inpatient stay (weight 1.0), with a geometric mean length of stay of 1.00 days. 3 ICD-10-CM principal diagnoses group into MS-DRGs 296–298 under the CMS definitions manual; the most-searched are listed below.

FY2027 payment factors

Relative weight
0.4946
Geometric mean LOS
1.00
Arithmetic mean LOS
1.00
Post-acute transfer
No

Principal diagnoses that group to MS-DRGs 296–298

From the CMS MS-DRG definitions manual’s principal-diagnosis index: 3 ICD-10-CM codes route here, and the CC/MCC status of the secondary diagnoses decides which of 296–298 the case lands in. The 3 most-searched:

  • I46.9Cardiac arrest, cause unspecified
  • I46.2Cardiac arrest due to underlying cardiac condition
  • I46.8Cardiac arrest due to other underlying condition

The severity splits

Same base DRG, split by whether a secondary diagnosis is a CC or MCC. The last column is the weight change from MS-DRG 298.

296CARDIAC ARREST, UNEXPLAINED WITH MCC1.4991+1.0045
297CARDIAC ARREST, UNEXPLAINED WITH CC0.7776+0.2830
298CARDIAC ARREST, UNEXPLAINED WITHOUT CC/MCC0.4946

All FY2027 MS-DRGs · MDC 05

MS-DRG (IPPS Table 5)FY2027