MS-DRG
MS-DRG 439: Disorders of Pancreas Except Malignancy with MCC
Pancreatitis + MCC
DRG
439
MDC
MDC 07: Hepatobiliary System and Pancreas
Severity
with MCC
Relative weight
1.4534
Avg LOS
4.7 days
Typical indications
- Acute necrotizing pancreatitis
Common denial patterns
- MCC validation
Appeal angles
Document lipase, severity score (BISAP, Ranson), MCC linkage.
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. 439 has relative weight 1.4534. 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 439?
Disorders of Pancreas Except Malignancy with MCC. Pancreatitis + MCC.
What are typical indications?
Acute necrotizing pancreatitis.
Why are claims under this DRG denied?
MCC validation.
How do I appeal?
Document lipase, severity score (BISAP, Ranson), MCC linkage.
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