MS-DRG 870 – Septicemia or Severe Sepsis with MV >96 Hours
A Medical DRG in MDC 18 (Infectious & Parasitic Diseases, Systemic or Unspecified Sites). Inpatient cases group to DRG 870 when the ICD-10-CM principal diagnosis is one of the 40 codes listed below. Its FY 2026 relative weight is 6.9118 with a geometric mean length of stay of 12.7 days.
The grouper first assigns the case to MDC 18 from the principal diagnosis and finds no qualifying operating-room procedure (this is a Medical DRG; ICD-10-PCS codes do not drive assignment here).
Principal Diagnosis Codes 40 codes · 15 categories
A02 Other salmonella infections1 code
- A02.1 Salmonella sepsis
A20 Plague1 code
- A20.7 Septicemic plague
A22 Anthrax1 code
- A22.7 Anthrax sepsis
A26 Erysipeloid1 code
- A26.7 Erysipelothrix sepsis
A32 Listeriosis1 code
- A32.7 Listerial sepsis
A39 Meningococcal infection6 codes
A40 Streptococcal sepsis5 codes
A41 Other sepsis15 codes
- A41.01 Sepsis due to Methicillin susceptible Staphylococcus aureus
- A41.02 Sepsis due to Methicillin resistant Staphylococcus aureus
- A41.1 Sepsis due to other specified staphylococcus
- A41.2 Sepsis due to unspecified staphylococcus
- A41.3 Sepsis due to Hemophilus influenzae
- A41.4 Sepsis due to anaerobes
- A41.50 Gram-negative sepsis, unspecified
- A41.51 Sepsis due to Escherichia coli [E. coli]
- A41.52 Sepsis due to Pseudomonas
- A41.53 Sepsis due to Serratia
- A41.54 Sepsis due to Acinetobacter baumannii
- A41.59 Other Gram-negative sepsis
- A41.81 Sepsis due to Enterococcus
- A41.89 Other specified sepsis
- A41.9 Sepsis, unspecified organism
A42 Actinomycosis1 code
- A42.7 Actinomycotic sepsis
A54 Gonococcal infection1 code
- A54.86 Gonococcal sepsis
B00 Herpesviral [herpes simplex] infections1 code
- B00.7 Disseminated herpesviral disease
B37 Candidiasis1 code
- B37.7 Candidal sepsis
R65 Symptoms and signs specifically associated with systemic inflammation and infection2 codes
R78 Findings of drugs and other substances, not normally found in blood1 code
- R78.81 Bacteremia
Procedure Codes 1 code · 1 category
5A19 Extracorporeal or Systemic Assistance and Performance, Physiological Systems, Performance1 code
- 5A1955Z Respiratory Ventilation, Greater than 96 Consecutive Hours
Frequently Asked Questions
What is MS-DRG 870?
MS-DRG 870 (Septicemia or Severe Sepsis with MV >96 Hours) is a medical DRG in MDC 18 (Infectious & Parasitic Diseases, Systemic or Unspecified Sites). Its FY 2026 relative weight is 6.9118 with a geometric mean length of stay of 12.7 days.
How many diagnosis codes group to DRG 870?
40 ICD-10-CM principal diagnosis codes group to this DRG, spanning 15 three-character categories.
What is the relative weight of DRG 870?
The FY 2026 relative weight of this DRG is 6.9118, meaning reimbursement of roughly 6.91 times the average Medicare inpatient case. Multiply by a hospital's blended base rate for the approximate payment.
