G65Header code — not billable

Sequelae of inflammatory and toxic polyneuropathies

Chapter
6. Diseases of the nervous system
Category
G65
Effective date
October 1, 2026

Related codes in category G65

G65.0Sequelae of Guillain-Barre syndromeYesG65.1Sequelae of other inflammatory polyneuropathyYesG65.2Sequelae of toxic polyneuropathyYes

Frequently asked questions

What is ICD-10 code G65?

G65 is an ICD-10-CM diagnosis code for Sequelae of inflammatory and toxic polyneuropathies.

Is G65 a billable code?

No. G65 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is G65 in?

G65 falls under Chapter 6: Diseases of the nervous system.

When did G65 become effective?

G65 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to G65?

G65 belongs to category G65, which includes 3 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.