G65 – Sequelae of inflammatory and toxic polyneuropathies

ICD-10-CM 2027 diagnosis code · Polyneuropathies and other disorders of the peripheral nervous system

Non-billable header

ICD-10-CM code G65
Code
G65 (claims format: G65)
Description
Sequelae of inflammatory and toxic polyneuropathies
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 G65

G65 is a header code and cannot be used on claims. Choose the most specific code:

Notes for G65

Code first:
  • condition resulting from (sequela) of inflammatory and toxic polyneuropathies

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block G60-G65

Excludes1 (not coded here):

Frequently asked questions

What is ICD-10 code G65?

G65 is the ICD-10-CM code for sequelae of inflammatory and toxic polyneuropathies, in the block G60-G65 (Polyneuropathies and other disorders of the peripheral nervous system).

Is G65 a billable code?

No. G65 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.