Is G36.9 a billable ICD-10 code?

Yes. G36.9 (Acute disseminated demyelination, unspecified) is billable and can be used for insurance claims. Always verify payer-specific requirements.

G36.9 ✓ Billable

Acute disseminated demyelination, unspecified

Q: What is ICD-10 code G36.9?

ICD-10-CM code G36.9 stands for "Acute disseminated demyelination, unspecified". It is a billable code in the Diseases of the Nervous System chapter, effective FY2026 (Oct 1, 2025 – Sep 30, 2026).

ICD-10-CM · FY2026 · Diseases of the Nervous System

Code

G36.9

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 G36.9?

ICD-10-CM code G36.9 represents Acute disseminated demyelination, unspecified. It is a billable diagnosis code in the Diseases of the Nervous System chapter, effective October 1, 2025 – September 30, 2026.

Is G36.9 billable?

Yes. G36.9 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.

What chapter is G36.9 in?

G36.9 belongs to the Diseases of the Nervous System chapter (G00–G99) of ICD-10-CM.

Related codes in the G36 category

G36 Other acute disseminated demyelination Non-billable G36.0 Neuromyelitis optica [Devic] Billable G36.1 Acute and subacute hemorrhagic leukoencephalitis [Hurst] Billable G36.8 Other specified acute disseminated demyelination Billable

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