G05.3

Billable
ChapterG00–G99
Ranksubcategory
Official Description

Encephalitis and encephalomyelitis in diseases classified elsewhere

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).

Instructional Notes

Includes
  • Meningoencephalitis in diseases classified elsewhere
Code First
  • underlying disease
General instructions are available for the parent sections:
View CH6 NotesView G05 Notes

Clinical Hierarchy

CH6Diseases of the nervous system (G00-G99)
G00-G09Inflammatory diseases of the central nervous system (G00-G09)
G05Encephalitis, myelitis and encephalomyelitis in diseases classified elsewhere
G05.3Encephalitis and encephalomyelitis in diseases classified elsewhere

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to G05.3:

categoryG05
Encephalitis, myelitis and encephalomyelitis in diseases classified elsewhere
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 G05.3. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

2 raw paths
Encephalomyelitis1 unique routes
in diseases classified elsewhere→G05.3
Meningoencephalitis1 unique routes
in (due to)
diseases classified elsewhere→G05.3

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 097
Non-Bacterial Infection of Nervous System Except Viral Meningitis with MCC
DRG 098
Non-Bacterial Infection of Nervous System Except Viral Meningitis with CC
DRG 099
Non-Bacterial Infection of Nervous System Except Viral Meningitis without CC/MCC

Cross Reference

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