What is this code?
ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Diseases of the nervous system (G00-G99).
When is it used?
- May be used when a clinician documents multiple sclerosis in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
- This entry may represent a broader category rather than the most specific billable code.
Code hierarchy
chapter
6Diseases of the nervous system (G00-G99)
block
G35-G37Demyelinating diseases of the central nervous system
currentG35-G37
Where you may see this code
You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.
Related specialists
NeurologistGeneral Physician
Related codes
Sibling codes
Mapped diagnoses and classifications
SNOMED_CT 230372003high
Acute relapsing multiple sclerosis
Source: SNOMED International ICD-10 map
SNOMED_CT 438511000high
Benign multiple sclerosis
Source: SNOMED International ICD-10 map
SNOMED_CT 1351834005high
Brown-Séquard syndrome due to multiple sclerosis
Source: SNOMED International ICD-10 map
SNOMED_CT 698626001high
Dementia associated with multiple sclerosis
Source: SNOMED International ICD-10 map
SNOMED_CT 82371000119101high
Dementia due to multiple sclerosis with altered behaviour
Source: SNOMED International ICD-10 map
SNOMED_CT 192929006high
Exacerbation of multiple sclerosis
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy code aligns to an official FY 2026 category. Frontend should resolve to the official category page and surface the billable child codes.
Legacy codes
G35
Replacement codes
G35.A — Relapsing-remitting multiple sclerosisG35.D — Multiple sclerosis, unspecified
Common synonyms
Multiple sclerosis
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.