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MS-DRG 870: SEPTICEMIA OR SEVERE SEPSIS WITH MV >96 HOURS

DRGMedicalMDC 18

MS-DRG 870 is septicemia or severe sepsis with mv >96 hours, in MDC 18 (a medical DRG). Its FY2027 relative weight is 6.9408, so a case here pays more than the average Medicare inpatient stay (weight 1.0), with a geometric mean length of stay of 12.50 days. 40 ICD-10-CM principal diagnoses group into MS-DRGs 870–872 under the CMS definitions manual; the most-searched are listed below.

FY2027 payment factors

Relative weight
6.9408
Geometric mean LOS
12.50
Arithmetic mean LOS
14.90
Post-acute transfer
Yes

This DRG is subject to the post-acute care transfer policy: a discharge to a qualifying setting below the mean length of stay is paid per diem rather than in full.

Principal diagnoses that group to MS-DRGs 870–872

From the CMS MS-DRG definitions manual’s principal-diagnosis index: 40 ICD-10-CM codes route here, and the CC/MCC status of the secondary diagnoses decides which of 870–872 the case lands in. The 24 most-searched:

  • A41.9Sepsis, unspecified organism
  • R65.21Severe sepsis with septic shock
  • R65.20Severe sepsis without septic shock
  • R78.81Bacteremia
  • A41.51Sepsis due to Escherichia coli [E. coli]
  • A41.01Sepsis due to Methicillin susceptible Staphylococcus aureus
  • A41.02Sepsis due to Methicillin resistant Staphylococcus aureus
  • A41.89Other specified sepsis
  • A41.59Other Gram-negative sepsis
  • A41.50Gram-negative sepsis, unspecified
  • A41.52Sepsis due to Pseudomonas
  • A41.81Sepsis due to Enterococcus
  • B37.7Candidal sepsis
  • R57.1Hypovolemic shock
  • R57.8Other shock
  • A40.1Sepsis due to streptococcus, group B
  • A40.3Sepsis due to Streptococcus pneumoniae
  • A40.9Streptococcal sepsis, unspecified
  • A41.1Sepsis due to other specified staphylococcus
  • A41.2Sepsis due to unspecified staphylococcus
  • A41.54Sepsis due to Acinetobacter baumannii
  • A02.1Salmonella sepsis
  • A20.7Septicemic plague
  • A22.7Anthrax sepsis

16 more codes group here. Open any code above for its full hierarchy, or check a whole claim in the free DRG calculator.

Choosing the principal diagnosis: Sepsis ICD-10 codes.

All FY2027 MS-DRGs · MDC 18

MS-DRG (IPPS Table 5)FY2027