G37.8

Non-billable

Other specified demyelinating diseases of central nervous system

G37.8 is the ICD-10-CM code for Other specified demyelinating diseases of central nervous system. It is a non-billable category code — use a more specific child code such as G37.81 for billing.

Status
Header (non-billable)
Chapter
G00-G99
Parent
G37
Subcodes
2
Edition
FY2026

G00-G99 Diseases of the nervous system

What this means — in plain language

MedlinePlus · NIH

Degenerative nerve diseases affect many of your body's activities, such as balance, movement, talking, breathing, and heart function. Many of these diseases are genetic. Sometimes the cause is a medical condition such as alcoholism, a tumor, or a stroke. Other causes may include toxins, chemicals, and viruses. Sometimes the cause is unknown. Degenerative nerve diseases include: Alzheimer's disease Amyotrophic…

Read more about Degenerative Nerve Diseases at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code G37.8?
G37.8 is the ICD-10-CM code for "Other specified demyelinating diseases of central nervous system". It falls under G00-G99 Diseases of the nervous system.
Is G37.8 a billable code?
No — G37.8 is a non-billable header code. Use a more specific child code (such as G37.81) for billing.
What are the subcodes of G37.8?
G37.8 has 2 more specific child codes, including G37.81, G37.89.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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