G37.9
✓ Billable
Demyelinating disease of central nervous system, unspecified
ICD-10-CM · FY2026 · Diseases of the Nervous System
Code
G37.9
System
ICD-10-CM
Billable
Yes — valid for submission
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 G37.9?
ICD-10-CM code G37.9 represents Demyelinating disease of central nervous system, unspecified. It is a billable diagnosis code in the Diseases of the Nervous System chapter, effective October 1, 2025 – September 30, 2026.
Is G37.9 billable?
Yes. G37.9 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is G37.9 in?
G37.9 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
G37.8
Other specified demyelinating diseases of central nervous system
Non-billable
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