U.S. ICD-10-CM · FY 2027

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.

Code definition

Official description

G94

Other disorders of brain in diseases classified elsewhere

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where G94 sits

  1. 1

    Chapter 6

    Diseases of the nervous system (G00-G99)

  2. 2

    Section

    Other disorders of the nervous system (G89-G99)

  3. 3

    Category G94

    Other disorders of brain in diseases classified elsewhere

  4. 4

    Code G94

    Other disorders of brain in diseases classified elsewhere

Documentation details

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.

Transparency

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.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

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.

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