MS-DRG 189: Pulmonary Edema and Respiratory Failure
Acute respiratory failure
Typical indications
- Acute hypoxic respiratory failure
- Acute hypercapnic respiratory failure
- Pulmonary edema
Common denial patterns
- DRG validation (failure type)
- Inpatient vs observation
Appeal angles
Document ABG, O2 sat <90% on room air, BiPAP/NIV requirement, ventilator dependence.
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. 189 has relative weight 1.2645. 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 189?
Pulmonary Edema and Respiratory Failure. Acute respiratory failure.
What are typical indications?
Acute hypoxic respiratory failure; Acute hypercapnic respiratory failure; Pulmonary edema.
Why are claims under this DRG denied?
DRG validation (failure type); Inpatient vs observation.
How do I appeal?
Document ABG, O2 sat <90% on room air, BiPAP/NIV requirement, ventilator dependence.
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