MS-DRG
MS-DRG 853: Infectious and Parasitic Diseases with O.R. Procedures with MCC
Infection + OR + MCC
DRG
853
MDC
MDC 18: Infectious
Severity
with MCC
Relative weight
5.4234
Avg LOS
11.4 days
Typical indications
- Sepsis + I&D
Common denial patterns
- MCC + OR validation
Appeal angles
Document infection + surgical site + MCC.
Context: how MS-DRGs work
MS-DRGs bundle hospital inpatient payment into a single amount per admission. Each DRG has a relative weight that multiplies the hospital's base rate to determine payment. 853 has relative weight 5.4234. Major Complication or Comorbidity (MCC) and Complication or Comorbidity (CC) secondary diagnoses can move a case to a higher-paying DRG within the same family.
Frequently asked questions
What is MS-DRG 853?
Infectious and Parasitic Diseases with O.R. Procedures with MCC. Infection + OR + MCC.
What are typical indications?
Sepsis + I&D.
Why are claims under this DRG denied?
MCC + OR validation.
How do I appeal?
Document infection + surgical site + MCC.
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