G94 ICD-10-CM Code: Other disorders of brain in diseases classified elsewhere
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
G94Other disorders of brain in diseases classified elsewhere
ICD-10-CM diagnosis code · United States clinical modification
Where G94 sits
- 1
Chapter 6
Diseases of the nervous system (G00-G99)
- 2
Section
Other disorders of the nervous system (G89-G99)
- 3
Category G94
Other disorders of brain in diseases classified elsewhere
- 4
Code G94
Other disorders of brain in diseases classified elsewhere
Notes for this code
Inclusion terms
No inclusion terms are listed for G94.
Code first
- underlying disease
Use additional code
No “use additional code” instruction is listed for G94.
Excludes1
Conditions that should not be reported together with this code.
- encephalopathy in congenital syphilis (A50.49)
- encephalopathy in influenza (J09.X9, J10.81, J11.81)
- encephalopathy in syphilis (A52.19)
- hydrocephalus in diseases classified elsewhere (G91.4)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for G94.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code G94 mean?
G94 is the FY 2027 U.S. ICD-10-CM code for “Other disorders of brain in diseases classified elsewhere.”
Is G94 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, G94 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is G94 located in ICD-10-CM?
G94 is listed in Chapter 6, Diseases of the nervous system (G00-G99), within Other disorders of the nervous system (G89-G99) (G89–G99), under category G94, Other disorders of brain in diseases classified elsewhere.
What coding notes are listed for G94?
No inclusion terms are listed for G94 in this reference record. Code-first instructions: underlying disease. Excludes1 notes: encephalopathy in congenital syphilis (A50.49); encephalopathy in influenza (J09.X9, J10.81, J11.81); encephalopathy in syphilis (A52.19); hydrocephalus in diseases classified elsewhere (G91.4). No Excludes2 note is listed.