When is ICD-10 code G37 used?

Doctors, hospitals, and insurers may use ICD-10 code G37 when recording other demyelinating diseases of central nervous system in a standardized format. This entry may also act as a broader category that points toward more specific child codes.

Does ICD-10 code G37 confirm a diagnosis?

No. A code helps standardize documentation and claims, but it should not be read as a substitute for a clinician's full assessment.

ICD10

ICD-10 Code G37: Other demyelinating diseases of central nervous system

Name: ICD-10 Code G37: Other demyelinating diseases of central nervous system
Creator: HealthAssure Clinical Team
Published: 2026-05-21T06:06:51.472Z

G37 is an ICD-10 diagnosis entry used to group records related to Other demyelinating diseases of central nervous system. 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. 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).

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

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 other demyelinating diseases of central nervous system 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

Sibling codes

G35Multiple sclerosis G36Other acute disseminated demyelination

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

G37

Replacement codes

G37.0 — Diffuse sclerosis of central nervous systemG37.1 — Central demyelination of corpus callosumG37.2 — Central pontine myelinolysisG37.3 — Acute transverse myelitis in demyelinating disease of central nervous systemG37.4 — Subacute necrotizing myelitis of central nervous systemG37.5 — Concentric sclerosis [Balo] of central nervous systemG37.9 — Demyelinating disease of central nervous system, unspecified

Common synonyms

Other demyelinating diseases of central nervous system

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.