MS-DRG v44.0 · MDC 01: Diseases and Disorders of the Nervous System
075 — Viral Meningitis with CC/MCC
- Relative weight
- 1.7707
- Geometric mean LOS
- 5.5 days
- Arithmetic mean LOS
- 7 days
- Type
- Medical
About MS-DRG 075
MS-DRG 075, Viral Meningitis with CC/MCC, is a medical DRG in MDC 01 (Diseases and Disorders of the Nervous System) under MS-DRG version 44.0, which applies to inpatient discharges from October 1, 2026 through September 30, 2027.
Its FY2027 relative weight is 1.7707, so Medicare's base payment for this DRG is about 1.77 times the average inpatient case, before hospital-specific adjustments. The geometric mean length of stay is 5.5 days and the arithmetic mean is 7 days.
It belongs to a 2-level severity family: DRG 075 (with CC/MCC, weight 1.7707) and DRG 076 (without CC/MCC, weight 0.8675). The highest-severity level carries 2.0 times the weight of the lowest, which is why documenting CC and MCC conditions matters.
10 ICD-10-CM diagnosis codes are part of this DRG's grouping logic; they are listed below.
ICD-10-CM codes that group to DRG 075 (10)
Chapter 1: Certain infectious and parasitic diseases
Chapter 6: Diseases of the nervous system
Common questions about DRG 075
What is the relative weight of DRG 075?
- 1.7707 for FY2027 (MS-DRG v44.0), from the IPPS final rule Table 5.
What is the average length of stay for DRG 075?
- The geometric mean length of stay is 5.5 days; the arithmetic mean is 7 days.
Is DRG 075 medical or surgical?
- DRG 075 is a medical DRG.