G61.8 Other inflammatory polyneuropathies

The ICD-10-CM code for Other inflammatory polyneuropathies is G61.8 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Chapter

6: Diseases of the nervous system (G00-G99)

Section

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

Category G61

8 codes (6 billable)

FY2026 Status

Stable since FY2024

Official Coding Guidelines

Dominant/nondominant side (TOC entry)

a. Dominant/nondominant side ................................................................................................. 45

Pain - Category G89 (TOC entry)

b. Pain - Category G89.............................................................................................................. 45

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool