MS-DRG
MS-DRG 309: Cardiac Arrhythmia and Conduction Disorders with CC
Arrhythmia + CC. Very high volume
DRG
309
MDC
MDC 05: Circulatory System
Severity
with CC
Relative weight
0.7642
Avg LOS
2.7 days
Typical indications
- AFib + DM
Common denial patterns
- CC validation
Appeal angles
Document CC.
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. 309 has relative weight 0.7642. 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 309?
Cardiac Arrhythmia and Conduction Disorders with CC. Arrhythmia + CC. Very high volume.
What are typical indications?
AFib + DM.
Why are claims under this DRG denied?
CC validation.
How do I appeal?
Document CC.
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