MCMCB Pro
866

MS-DRG 866VIRAL ILLNESS WITHOUT MCC

DRGMedicalMDC 18

FY2026 payment factors

Relative weight
0.8696
Geometric mean LOS
2.70
Arithmetic mean LOS
3.50
Post-acute transfer
No

Other DRGs in MDC 18

The with-MCC, with-CC and without-CC/MCC splits usually sit next to each other here. Those are what a documentation query is actually deciding between, and the weight gap between them is why the query is worth raising.

  • 853INFECTIOUS AND PARASITIC DISEASES WITH O.R. PROCEDURES WITH MCC4.9386
  • 854INFECTIOUS AND PARASITIC DISEASES WITH O.R. PROCEDURES WITH CC1.9981
  • 855INFECTIOUS AND PARASITIC DISEASES WITH O.R. PROCEDURES WITHOUT CC/MCC1.4972
  • 856POSTOPERATIVE OR POST-TRAUMATIC INFECTIONS WITH O.R. PROCEDURES WITH MCC4.5487
  • 857POSTOPERATIVE OR POST-TRAUMATIC INFECTIONS WITH O.R. PROCEDURES WITH CC2.1415
  • 858POSTOPERATIVE OR POST-TRAUMATIC INFECTIONS WITH O.R. PROCEDURES WITHOUT CC/MCC1.3929
  • 862POSTOPERATIVE AND POST-TRAUMATIC INFECTIONS WITH MCC1.8237
  • 863POSTOPERATIVE AND POST-TRAUMATIC INFECTIONS WITHOUT MCC0.9979
  • 864FEVER AND INFLAMMATORY CONDITIONS0.8877
  • 865VIRAL ILLNESS WITH MCC1.4983
  • 867OTHER INFECTIOUS AND PARASITIC DISEASES DIAGNOSES WITH MCC2.0932
  • 868OTHER INFECTIOUS AND PARASITIC DISEASES DIAGNOSES WITH CC1.0311
  • 869OTHER INFECTIOUS AND PARASITIC DISEASES DIAGNOSES WITHOUT CC/MCC0.7297
  • 870SEPTICEMIA OR SEVERE SEPSIS WITH MV >96 HOURS6.9118
  • 871SEPTICEMIA OR SEVERE SEPSIS WITHOUT MV >96 HOURS WITH MCC1.9425
  • 872SEPTICEMIA OR SEVERE SEPSIS WITHOUT MV >96 HOURS WITHOUT MCC1.0233
MS-DRG (IPPS Table 5)FY2026