MCMedicalCodingSoftware
864

MS-DRG 864: FEVER AND INFLAMMATORY CONDITIONS

DRGMedicalMDC 18

MS-DRG 864 is fever and inflammatory conditions, in MDC 18 (a medical DRG). Its FY2027 relative weight is 0.8551, so a case here pays less than the average Medicare inpatient stay (weight 1.0), with a geometric mean length of stay of 2.50 days. 8 ICD-10-CM principal diagnoses group into MS-DRG 864 under the CMS definitions manual; the most-searched are listed below.

FY2027 payment factors

Relative weight
0.8551
Geometric mean LOS
2.50
Arithmetic mean LOS
3.20
Post-acute transfer
No

Principal diagnoses that group to MS-DRG 864

From the CMS MS-DRG definitions manual’s principal-diagnosis index: 8 ICD-10-CM codes route here. The 8 most-searched:

  • R50.9Fever, unspecified
  • R50.81Fever presenting with conditions classified elsewhere
  • R65.10Systemic inflammatory response syndrome (SIRS) of non-infectious origin without acute organ dysfunction
  • R50.2Drug induced fever
  • R65.11Systemic inflammatory response syndrome (SIRS) of non-infectious origin with acute organ dysfunction
  • R50.82Postprocedural fever
  • R50.83Postvaccination fever
  • R50.84Febrile nonhemolytic transfusion reaction

Choosing the principal diagnosis: Sepsis ICD-10 codes.

All FY2027 MS-DRGs · MDC 18

MS-DRG (IPPS Table 5)FY2027