G36.9Billable

Acute disseminated demyelination, unspecified

Chapter
6. Diseases of the nervous system
Category
G36
Effective date
October 1, 2026

Related codes in category G36

G36Other acute disseminated demyelinationG36.0Neuromyelitis optica [Devic]YesG36.1Acute and subacute hemorrhagic leukoencephalitis [Hurst]YesG36.8Other specified acute disseminated demyelinationYes

Frequently asked questions

What is ICD-10 code G36.9?

G36.9 is an ICD-10-CM diagnosis code for Acute disseminated demyelination, unspecified.

Is G36.9 a billable code?

Yes. G36.9 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is G36.9 in?

G36.9 falls under Chapter 6: Diseases of the nervous system.

When did G36.9 become effective?

G36.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to G36.9?

G36.9 belongs to category G36, which includes 4 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.