MS-DRG
MS-DRG 894: Alcohol/Drug Abuse or Dependence, Left Against Medical Advice
Substance use AMA discharge
DRG
894
MDC
MDC 20: Alcohol/Drug Use
Severity
—
Relative weight
0.4234
Avg LOS
2.0 days
Typical indications
- AMA discharge
Common denial patterns
- AMA pattern
Appeal angles
Document medical decision-making + AMA documentation.
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. 894 has relative weight 0.4234. 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 894?
Alcohol/Drug Abuse or Dependence, Left Against Medical Advice. Substance use AMA discharge.
What are typical indications?
AMA discharge.
Why are claims under this DRG denied?
AMA pattern.
How do I appeal?
Document medical decision-making + AMA documentation.
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