G36.9

Billable

ChapterG00–G99

Ranksubcategory

Official Description

Acute disseminated demyelination, unspecified

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 Notes View G36 Notes

Clinical Hierarchy

CH6Diseases of the nervous system (G00-G99)

G35-G37Demyelinating diseases of the central nervous system (G35-G37)

G36Other acute disseminated demyelination

G36.9Acute disseminated demyelination, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to G36.9:

categoryG36

Other acute disseminated demyelination

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 G36.9. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

2 raw paths

Demyelination, demyelinization1 unique routes

disseminated, acute→G36.9

Neuromyelitis1 unique routes

Direct index entry→G36.9

MS-DRG Classification

2026 v43.1

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

DRG 058

Multiple Sclerosis and Cerebellar Ataxia with MCC

DRG 059

Multiple Sclerosis and Cerebellar Ataxia with CC

DRG 060

Multiple Sclerosis and Cerebellar Ataxia without CC/MCC

DRG 974

HIV with Major Related Condition with MCC

DRG 975

HIV with Major Related Condition with CC

DRG 976

HIV with Major Related Condition without CC/MCC

Cross Reference

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