G04.2

Billable
ChapterG00–G99
Ranksubcategory
Official Description

Bacterial meningoencephalitis and meningomyelitis, not elsewhere classified

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 6: Diseases of the Nervous System (G00-G99).
General instructions are available for the parent sections:
View CH6 NotesView G04 Notes

Clinical Hierarchy

CH6Diseases of the nervous system (G00-G99)
G00-G09Inflammatory diseases of the central nervous system (G00-G09)
G04Encephalitis, myelitis and encephalomyelitis
G04.2Bacterial meningoencephalitis and meningomyelitis, not elsewhere classified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to G04.2:

categoryG04
Encephalitis, myelitis and encephalomyelitis
View context instructions
chapterCH6
Diseases of the nervous system (G00-G99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to G04.2. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

5 raw paths
Meningoencephalitis4 unique routes
bacterial NEC→G04.2
pneumococcal→G04.2
staphylococcal→G04.2
streptococcal→G04.2
Meningomyelitis1 unique routes
bacterial NEC→G04.2

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 023
Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis with MCC or Antineoplastic Implant or Epilepsy with Neurostimulator
DRG 024
Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis without MCC
DRG 094
Bacterial and Tuberculous Infections of Nervous System with MCC
DRG 095
Bacterial and Tuberculous Infections of Nervous System with CC
DRG 096
Bacterial and Tuberculous Infections of Nervous System without CC/MCC
DRG 791
Prematurity with Major Problems
DRG 793
Full Term Neonate with Major Problems

Cross Reference

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