MS-DRG 023: Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis with MCC or Chemo Implant or Epilepsy with Neurostimulator
Complex craniotomy with implants or major CNS event
Typical indications
- Brain tumor resection with implant
- Stroke craniectomy
- DBS placement
Common denial patterns
- Medical necessity for elective procedure
- DBS step therapy from medications
Appeal angles
Document neurosurgical consultation, failed conservative management, imaging supporting urgent vs elective indication.
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. 023 has relative weight 6.2342. 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 023?
Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis with MCC or Chemo Implant or Epilepsy with Neurostimulator. Complex craniotomy with implants or major CNS event.
What are typical indications?
Brain tumor resection with implant; Stroke craniectomy; DBS placement.
Why are claims under this DRG denied?
Medical necessity for elective procedure; DBS step therapy from medications.
How do I appeal?
Document neurosurgical consultation, failed conservative management, imaging supporting urgent vs elective indication.
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