G61.8Header code — not billable

Other inflammatory polyneuropathies

Chapter
6. Diseases of the nervous system
Category
G61
Effective date
October 1, 2026

Related codes in category G61

G61Inflammatory polyneuropathyG61.0Guillain-Barre syndromeYesG61.1Serum neuropathyYesG61.81Chronic inflammatory demyelinating polyneuritisYesG61.82Multifocal motor neuropathyYesG61.89Other inflammatory polyneuropathiesYesG61.9Inflammatory polyneuropathy, unspecifiedYes

Frequently asked questions

What is ICD-10 code G61.8?

G61.8 is an ICD-10-CM diagnosis code for Other inflammatory polyneuropathies.

Is G61.8 a billable code?

No. G61.8 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 G61.8 in?

G61.8 falls under Chapter 6: Diseases of the nervous system.

When did G61.8 become effective?

G61.8 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to G61.8?

G61.8 belongs to category G61, which includes 7 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.