MS-DRG 603: Cellulitis without MCC
Cellulitis IV antibiotic
Typical indications
- Severe cellulitis
- Failed outpatient
Common denial patterns
- Inpatient vs observation
Appeal angles
Document failed outpatient PO antibiotic + need for IV + extent.
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. 603 has relative weight 0.9223. 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 603?
Cellulitis without MCC. Cellulitis IV antibiotic.
What are typical indications?
Severe cellulitis; Failed outpatient.
Why are claims under this DRG denied?
Inpatient vs observation.
How do I appeal?
Document failed outpatient PO antibiotic + need for IV + extent.
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