G35 ICD-10-CA code: Multiple sclerosis
G35 is the ICD-10-CA code for “Multiple sclerosis” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
G35Multiple sclerosis
ICD-10-CA · Canada
Index terms
Entries in CIHI’s alphabetical index that lead to G35. Searching the index by the condition the note names is how coders reach this code.
- Sclérose en plaques
- Sclerosis, sclerotic, insular
- Sclerosis, sclerotic, plaques
- Sclerosis, sclerotic, disseminated
- Sclerosis, sclerotic, brain, insular
- Sclerosis, sclerotic, brain, miliary
- Sclerosis, sclerotic, brain, multiple
- Sclerosis, sclerotic, bulbar, multiple
- Sclerosis, sclerotic, ascending multiple
- Sclerosis, sclerotic, brain, disseminated
- Sclerosis, sclerotic, brain, stem, multiple
- Myelosclerosis, disseminated, of nervous system
- Sclerosis, sclerotic, combined (spinal cord), multiple
- Sclerosis, sclerotic, spinal (cord) (progressive), multiple
- Sclerosis, sclerotic, cerebrospinal (disseminated) (multiple)
- Sclerosis, sclerotic, spinal (cord) (progressive), disseminated
- Sclerosis, sclerotic, spinal (cord) (progressive), combined, multiple
- Sclerosis, sclerotic, multiple (brain stem) (cerebral) (generalized) (spinal cord)
Notes for G35
As CIHI prints them, with any note G35 takes from the headings above it.
Includes
- Multiple sclerosis (of):• NOS• brain stem• cord• disseminated• generalized
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 G35 sits
- 1ChapterChapter 6: Diseases of the nervous system (G00-G99)
- 2Block G35-G37Demyelinating diseases of the central nervous system
- 3Valid code G35Multiple sclerosis
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 G35 mean?
G35 is the ICD-10-CA code for “Multiple sclerosis” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is G35 in ICD-10-CA?
G35 sits under G35-G37 Demyelinating diseases of the central nervous system, within Chapter 6: Diseases of the nervous system (G00-G99).
What coding notes apply to G35?
ICD-10-CA lists Includes, Excludes notes for G35, 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.