G37.8
⚠ Non-billable
Other specified demyelinating diseases of central nervous system
ICD-10-CM · FY2026 · Diseases of the Nervous System
Code
G37.8
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Diseases of the Nervous System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code G37.8?
ICD-10-CM code G37.8 represents Other specified demyelinating diseases of central nervous system. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Nervous System chapter, effective October 1, 2025 – September 30, 2026.
Is G37.8 billable?
No. G37.8 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is G37.8 in?
G37.8 belongs to the Diseases of the Nervous System chapter (G00–G99) of ICD-10-CM.
Related codes in the G37 category
G37
Other demyelinating diseases of central nervous system
Non-billable
G37.0
Diffuse sclerosis of central nervous system
Billable
G37.1
Central demyelination of corpus callosum
Billable
G37.2
Central pontine myelinolysis
Billable
G37.3
Acute transverse myelitis in demyelinating disease of central nervous system
Billable
G37.4
Subacute necrotizing myelitis of central nervous system
Billable
G37.5
Concentric sclerosis [Balo] of central nervous system
Billable
G37.9
Demyelinating disease of central nervous system, unspecified
Billable
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