G64 ICD-10-CA code: Other disorders of peripheral nervous system

G64 is the ICD-10-CA code for “Other disorders of peripheral nervous system” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

G64

Other disorders of peripheral nervous system

Short description: Oth disorder peripheral nervous system

ICD-10-CA · Canada

Index terms

Entries in CIHI’s alphabetical index that lead to G64. Searching the index by the condition the note names is how coders reach this code.

  • Disorder (of), peripheral nervous system NEC

Notes for G64

As CIHI prints them, with any note G64 takes from the headings above it.

Includes

  • Disorder of peripheral nervous system NOS

Excludes

Conditions classified elsewhere.

  • Neuralgia NOS (M79.2)neuritis NOS (M79.2)peripheral neuritis in pregnancy (O26.8)radiculitis NOS (M54.1)From G60-G64 Polyneuropathies and other disorders of the peripheral nervous system
  • Certain:• conditions originating in the perinatal period (P00-P96)• infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)From Chapter 6: Diseases of the nervous system (G00-G99)

Where G64 sits

  1. 1ChapterChapter 6: Diseases of the nervous system (G00-G99)
  2. 2Block G60-G64Polyneuropathies and other disorders of the peripheral nervous system
  3. 3Valid code G64Other disorders of peripheral nervous system

Source and release

Data release
ICD-10-CA · FY 2026–2027
Effective date
Apr 1, 2026
Publisher
CIHI

This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

Frequently asked questions

What does ICD-10-CA code G64 mean?

G64 is the ICD-10-CA code for “Other disorders of peripheral nervous system” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is G64 in ICD-10-CA?

G64 sits under G60-G64 Polyneuropathies and other disorders of the peripheral nervous system, within Chapter 6: Diseases of the nervous system (G00-G99).

What coding notes apply to G64?

ICD-10-CA lists Includes, Excludes notes for G64, including those from the headings it sits under. They are listed on this page with where each one comes from.

Which ICD-10-CA release does this page use?

It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.