G46.8 ICD-10-CA code: Other vascular syndromes of brain in cerebrovascular diseases
G46.8 is the ICD-10-CA code for “Other vascular syndromes of brain in cerebrovascular diseases” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
G46.8Other vascular syndromes of brain in cerebrovascular diseases
Short description: Oth vasc syndr brain in c/v disease
ICD-10-CA · Canada · Also written G468
Notes for G46.8
As CIHI prints them, with any note G46.8 takes from the headings above it.
Excludes
Conditions classified elsewhere.
- 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 G46.8 sits
- 1ChapterChapter 6: Diseases of the nervous system (G00-G99)
- 2Block G40-G47Episodic and paroxysmal disorders
- 3Category G46Vascular syndromes of brain in cerebrovascular diseases
- 4Valid code G46.8Other vascular syndromes of brain in cerebrovascular diseases
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 G46.8 mean?
G46.8 is the ICD-10-CA code for “Other vascular syndromes of brain in cerebrovascular diseases” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is G46.8 in ICD-10-CA?
G46.8 sits under G46 Vascular syndromes of brain in cerebrovascular diseases, within G40-G47 Episodic and paroxysmal disorders, within Chapter 6: Diseases of the nervous system (G00-G99).
What coding notes apply to G46.8?
ICD-10-CA lists Excludes notes for G46.8, 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.