U.S. ICD-10-CM · FY 2027

G64 ICD-10-CM Code: Other disorders of peripheral nervous system

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

G64

Other disorders of peripheral nervous system

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

Classification

Where G64 sits

  1. 1

    Chapter 6

    Diseases of the nervous system (G00-G99)

  2. 2

    Section

    Polyneuropathies and other disorders of the peripheral nervous system (G60-G65)

  3. 3

    Category G64

    Other disorders of peripheral nervous system

  4. 4

    Code G64

    Other disorders of peripheral nervous system

Documentation details

Notes for this code

Inclusion terms

  • Disorder of peripheral nervous system NOS

Code first

No “code first” instruction is listed for G64.

Use additional code

No “use additional code” instruction is listed for G64.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for G64.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for G64.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

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 G64 mean?

G64 is the FY 2027 U.S. ICD-10-CM code for “Other disorders of peripheral nervous system.”

Is G64 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, G64 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 G64 located in ICD-10-CM?

G64 is listed in Chapter 6, Diseases of the nervous system (G00-G99), within Polyneuropathies and other disorders of the peripheral nervous system (G60-G65) (G60–G65), under category G64, Other disorders of peripheral nervous system.

What coding notes are listed for G64?

Its listed inclusion terms are Disorder of peripheral nervous system NOS. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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