G61 – Inflammatory polyneuropathy
ICD-10-CM 2027 diagnosis code · Polyneuropathies and other disorders of the peripheral nervous system
ICD-10-CM code
G61
- Code
G61(claims format:G61)- Description
- Inflammatory polyneuropathy
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 6. Diseases of the nervous system (G00-G99)
- Block
- G60-G65 Polyneuropathies and other disorders of the peripheral nervous system
Billable codes under G61
G61 is a header code and cannot be used on claims. Choose the most specific code:
- G61.0 – Guillain-Barre syndromeBillable
- G61.1 – Serum neuropathyBillable
- G61.8 – Other inflammatory polyneuropathiesHeader (more codes below)
- G61.9 – Inflammatory polyneuropathy, unspecifiedBillable
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Block G60-G65
Frequently asked questions
What is ICD-10 code G61?
G61 is the ICD-10-CM code for inflammatory polyneuropathy, in the block G60-G65 (Polyneuropathies and other disorders of the peripheral nervous system).
Is G61 a billable code?
No. G61 is a header code with more specific child codes; report one of the billable codes listed above.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.