Viral Meningitis with CC/MCC
Major Diagnostic Category 01·Grouped by diagnosis·FY 2027
MS-DRG 075 is a Medical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 01 (MDC 01) with a Complication or Comorbidity (CC). It maps to 10 ICD-10-CM diagnosis codes. For FY 2027 it carries a relative weight of 1.7707 with a geometric mean length of stay of 5.5 days and an arithmetic mean of 7 days. Hospitals use this grouping to determine reimbursement for inpatient stays under Medicare.
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FY 2027 payment data
From Table 5 of the FY 2027 IPPS Final Rule (CMS).
- Relative weight:
- 1.7707 (payment multiplier vs. the average case (1.0))
- Geometric mean stay:
- 5.5 days (used for transfer payments)
- Average stay:
- 7 days (arithmetic mean)
- Post-acute transfer policy:
- No (not subject to it)
Same condition, other severity levels
CMS splits one condition into separate DRGs by how sick the patient is. With MCC pays more than with CC, which pays more than without CC/MCC.
| DRG | Title | Relative weight | Mean stay |
|---|---|---|---|
| 075 | Viral Meningitis with CC/MCC (this page) | 1.7707 | 5.5 days |
| 076 | Viral Meningitis without CC/MCC | 0.8675 | 2.8 days |
Diagnosis codes (10)
As the principal diagnosis, these ICD-10-CM codes can group to DRG 075. 100% of the codes listed are billable.
- A87.0Enteroviral meningitis
- A87.1Adenoviral meningitis
- A87.2Lymphocytic choriomeningitis
- A87.8Other viral meningitis
- A87.9Viral meningitis, unspecified
- A88.0Enteroviral exanthematous fever [Boston exanthem]
- B00.3Herpesviral meningitis
- B02.1Zoster meningitis
- B26.1Mumps meningitis
- G03.2Benign recurrent meningitis [Mollaret]