G61.0 Guillain-Barre syndrome

The ICD-10-CM code for Guillain-Barre syndrome is G61.0 (FY2026). It is a billable, claim-ready diagnosis code.

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

Also Known As

ICD-10-CM Alphabetic Index entries that lead to G61.0:

• Guillain-Barré disease or syndrome
• Landry-Guillain-Barré, syndrome or paralysis
• Barré-Guillain disease or syndrome
• Polyradiculoneuropathy (acute) (postinfective) (segmentally demyelinating)
• Landry's disease or paralysis
• Miller Fisher syndrome
• Encephalomyeloradiculoneuritis (acute) (Guillain-Barré)
• Encephalomyeloradiculitis (acute)

Inclusion Terms

• Acute (post-)infective polyneuritis
• Miller Fisher Syndrome

U.S. Hospital Utilization

• An estimated 23,745 U.S. inpatient stays in 2023 included G61.0 among the documented diagnoses.
• 11,795 stays listed it as the principal diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

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
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)