2026 ICD-10-CM Diagnosis Code G61Inflammatory polyneuropathy

ICD-10-CM Codes›G00–G99›G60-G65›G61

ICD-10-CM G61
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

G61 is a non-billable ICD-10-CM category code for inflammatory polyneuropathy, so it cannot be submitted on claims. Use a more specific code from this category instead, such as G61.0, G61.1, G61.81, and G61.82.

Code Identity

ICD-10-CM Code
G61
Billable Status
No — Non-Billable Category
Code Describes
Inflammatory polyneuropathy
Chapter
G60-G65
Polyneuropathies and other disorders of the peripheral nervous system

Code Classification

ChapterG00–G99Diseases of the nervous system
SectionG60-G65Polyneuropathies and other disorders of the peripheral nervous system
CategoryG61Inflammatory polyneuropathy
This CodeG61Inflammatory polyneuropathy

Specific Coding for Inflammatory polyneuropathyOverview

Non-specific codes like G61 require more characters. Use one of these billable codes instead:

  • Use G61.0 for Guillain-Barre syndrome

  • Use G61.1 for Serum neuropathy

  • G61.8 for Other inflammatory polyneuropathies

  • Use G61.81 for Chronic inflammatory demyelinating polyneuritis

  • Use G61.82 for Multifocal motor neuropathy

  • Use G61.89 for Other inflammatory polyneuropathies

  • Use G61.9 for Inflammatory polyneuropathy, unspecified

Patient EducationClinical

Peripheral Nerve Disorders

Nerves are like wires that carry messages back and forth between your brain and your body. Your peripheral nerves branch off from your brain and spinal cord and connect to all parts of your body, including your muscles and organs.

The full article covers:

  • What are peripheral nerves?
  • What are peripheral nerve disorders?
  • What causes peripheral nerve disorders?
  • What are the symptoms of peripheral nerve disorders?
  • How are peripheral nerve disorders diagnosed?
  • What are the treatments for peripheral nerve disorders?
  • Can peripheral nerve disorders be prevented?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About G61Overview

Is G61 (Inflammatory polyneuropathy) a billable code?

No. This is a category header that groups the codes for inflammatory polyneuropathy, and headers cannot be submitted on claims. Claims for inflammatory polyneuropathy need a more specific code from this category, such as G61.0, G61.1, and G61.81.