G63 ICD-10-CA category: Polyneuropathy in diseases classified elsewhere

G63 isn’t a code on its own. Choose one of the 8 codes beneath it, the one the documentation supports.

Official description

G63

Polyneuropathy in diseases classified elsewhere

ICD-10-CA · Canada

Codes in G63

G63 isn’t a code on its own. Open the code that matches what the note documents.

Notes for G63

As CIHI prints them, with any note G63 takes from the headings above it.

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 G63 sits

  1. 1ChapterChapter 6: Diseases of the nervous system (G00-G99)
  2. 2Block G60-G64Polyneuropathies and other disorders of the peripheral nervous system
  3. 3Category G63Polyneuropathy in diseases classified elsewhere

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

Is G63 a valid ICD-10-CA code?

No. G63 (Polyneuropathy in diseases classified elsewhere) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 8 codes; record the one the documentation supports.

Where is G63 in ICD-10-CA?

G63 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 G63?

ICD-10-CA lists Excludes notes for G63, 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.